Biosan S-Bt Manuel utilisateur

Service Manual for

Compact CO incubator S-Bt

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 1

Maintanence

1. If the unit requires maintenance, disconnect the unit from the mains and contact Biosan or your

local Biosan representative.

2. All maintenance and repair operations must be performed only by qualified and specially trained

personnel.

3. Regular service schedule:

After operation

Switch on the recirculator running for 1 to 3 hours in an empty incubator to decontaminate air in

the incubator. After decontamination, slightly open the incubator doors – UV lamp has been

known to produce reactive oxygen species in minor concentrations.

Monthly (more frequently, if necessary)

Rub the inner surfaces, water pan with lid and shelves of the incubator with 75% ethanol solution

or other acceptably disinfectant such as sodium hypochlorite solution, and allow them to dry.

After cleaning the glass door, rinse with water and dry the excess to avoid streaks and possible

corrosion.

Remove dust with moist cloth piece from outer incubator surface, especially front screen and

upper part of the incubator.

Visually check the hydrophobic filter and access port seal and replace if necessary.

Check the accuracy of CO sensor system by measuring the actual CO concentration with a

2 2

reference CO analyzer.

Hydrophobic filter. The filter should be replaced when it becomes glazed with dirt. Maximum

time of use is 30 days. We recommend replacing the filter immediately after full cycle of

maintenance.

Access port seal. To prevent possible contamination of access port seal (made from foamed

polyethylene) and to ensure complete sealing of the port, the seal should be replaced after 30

days from the first operation.

UV lamp.

Average lifetime of UV lamps supplied is 9000 h. Replacement is necessary after lamp stops

functioning or at the end of manufacturer specified lifetime. Only the persons who have

completed special training are allowed to perform lamps replacement. UV lamp operation

lifetime is checked and tracked by the incubator. After lamp replacement it is necessary to reset

UV Lamp Hours timer.

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 2

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 3

Fault diagnostics

1. The incubator is equipped with an alarm and error system. Active alarms and errors are

appropriately indicated on the display.

Alarms and errors are followed by sound signal that can be turned off by pressing any button.

2. Error text can be found in Menu > Service > Settings > Current Errors. Choose Errors

Reset and confirm to reset the error list.

3. Error list can be found in the table below.

Note: After resolving error issues, error must be reset manually.

4. Alarm text can be found in Menu > Active Alarms. Choose Alarms Reset and confirm to reset

the alarm list.

5. Alarms list can be found in the table below.

Note: After resolving alarm issues, reset alarms manually.

Display text Error description

CO2 Sens. Err. СО2 sensor error

Back Back temperature sensor error

Bott. Bottom temperature sensor error

Left Left wall temperature sensor error

Right Right wall temperature sensor error

Up Top temperature sensor error

Door Door temperature sensor error

Chmb. Temperature sensor in the incubator error

Perimeter T.Sens. Err. Perimeter temperature sensor error

Recirc. Lamp Err. UV lamp error

Communication Err. Error connecting to power board

CO2.Sens.Comm.Err. Error connecting to CO2 sensor board

To enter the Service mode

1. While in menu hold two right buttons for 5 sec. to enter the service mode (unlock grey menu

items).

2. To exit service mode hold two right buttons for 5 sec. or exit from menu to main display.

Display text Description

Temp. High Alarm

Temp. Low Alarm

CO2 High Alarm

CO2 Low Alarm

Low Humidity

UV Lamp Hours > 9000h Lamp reaches end of life time. After replacement reset timer.

(Menu > Service > Recirc. UV Lamp Hours > Hours Reset)

Adjustable limit is exceeded.

(Menu > Service > Settings > Alarm Settings)

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 4

CO2 valve settings

CO recovery time to 5.0% after opening the door for 1 min, depending on the PWM & Dosage

Coef.

PWM 040s (Preset) 010s 060s 040s 010s

Dosage Coef. 1/020 (Preset) 1/020 1/020 1/001 1/001

Recovery time 12 min 3 min 18 min 2 min 45 sec

Possible excess 5.00% 5.10% 5.00% 5.10% 5.80%

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 5

The following spare parts are available for S-Bt:

No. Spare part Marking Article

1 Hydrophobic filter BS-010425-S35

2 Access port seal Foamed PE (set of 5) BS-010425-S03

3 Fuse FSMO 3,15A BS-000000-S06

4UV lamp TUV-6W T5 BS-010425-S04

5 Battery CR 2032 (Lithium Battery) BS-010425-S16

6 Wireless Interface Board W_Int_V1 BS-010425-S09

7 Control Board Incub_TFT BS-010425-S05

8 LCD Interface Board FTDI VM800C43A-N FT800 EVE MODULE BS-010425-S07

9 LCD TFT LCD 5 inch Display 480x272 BS-010425-S06

10 Button Board INCUB_KEY BS-010425-S08

11 Door Temperature Sensor DS18B20 BS-010425-S32

12 Door Heater 80W Silicone Heater M BS-010425-S24

13 Humidity Sensor Humid_S_V1 BS-010425-S13

14 Sensor Interface Board Sens_interface_V1 BS-010425-S11

15 CO2 Sensor CO2 Engine™ BS-010425-S12

16 UV lamp Ballast QT-ECO 1x4-16/220-240L BS-010425-S17

17 Solenoid valve VX210DZ1JAXB DC 12V BS-010425-S15

18 Power Board INCUB_PWR_V4 BS-010425-S10

19 Switch C1350ALAAFB BS-010425-S20

20 Power Socket PF0033/10/63 BS-010425-S21

21 Fan 632NU ebmpapst BS-010425-S14

22 Chamber Temperature Sensor DS18B20 BS-010425-S34

23 Back Temperature Sensor DS18B20 BS-010425-S28

24 Back Heater 80W Silicone Heater M BS-010425-S24

25 Transformer TTS 100Z 230/2x12V BS-010425-S19

26 Bottom Temperature Sensor DS18B20 BS-010425-S27

27 Perimeter Temperature Sensor DS18B20 BS-010425-S33

28 Port Heater PCB SBTH BS-010425-S26

29 Open Door Sensor HALL_SEN_V1 BS-010425-S22

30 Perimeter Heater PCB BTH BS-010425-S25

31 Left Temperature Sensor DS18B20 BS-010425-S29

31 Right Temperature Sensor DS18B20 BS-010425-S30

31 Top Temperature Sensor DS18B20 BS-010425-S31

32 Bottom Heater 80W Silicone Heater L BS-010425-S23

32 Left Heater 80W Silicone Heater L BS-010425-S23

32 Right Heater 80W Silicone Heater L BS-010425-S23

32 Top Heater 80W Silicone Heater M BS-010425-S24

I. Spare part replacement

1. Hydrophobic filter replacement:

1. Disconnect the unit from power supply.

2. Unscrew the both filter connectors (fig.1/1).

3. Pull off tubes from the filter and remove it.

4. Replace the filter and re-assemble the unit.

Note: Connect filter with appropriate side facing towards IN label on

the unit (on filter side there may be IN or traingle marking).

2. Access port seal replacement:

1. Disconnect the unit from power supply.

2. Unscrew access port cap (fig.2/1).

3. Pull out the seal and replace it.

4. Re-assemble the unit.

3. Fuse replacement:

1. Disconnect the unit from power supply.

2. Pull out fuse drawer ( ).fig.13/1

3. Remove the fuse from the holder.

4. Check and replace with the correct fuse if it is necessary (3.15A).

5. Re-assemble the unit.

4. UV Lamp replacement:

1. Disconnect the unit from power supply.

2. O remove shelves pen the door and unscrew the two screws

(fig.14/1) and remove chamber cover;

3. Unscrew the two Lamp covers (fig.15/7).

4. Pull out Lamp from sockets.

5. Replace the UV Lamp and re-assemble the unit.

Note: After lamp replacement reset Recirc. UV Lamp Hours

Disassembling for the: Control Board, Button Board, Wireless

Interface Board, LCD, LCD Interface Board, Battery, Door

Temperature Sensor , Door Heater.

1. Disconnect the unit from power supply.

2. Unscrew the six screws (fig.3/1) and release door cover.

3. Unscrew one screw (fig.4/1) and release ground wire.

4. Unscrew screws (fig.4/2) and release data and temperature sensor

wires from the control board.

5. Remove door cover.

5. To replace the Battery:

– pull out used Battery from the slot (fig.5/1);

– replace the Battery and re-assemble the unit;

6. To replace the Wireless Interface Board:

– disconnect Wireless Interface Board wires from the control

board (fig.5/3);

– unscrew the two screws (fig.5/2) and release the Board;

– replace the Wireless Interface Board and re-assemble the unit;

7. To replace the Control Board:

– disconnect wireless interface board wires (fig.5/3) from the

Control Board;

– disconnect button board wire terminal (fig.5/4) from the Control Board;

– unscrew the four screws (fig.5/5) and gently pull out Control Board

from LCD interface board pin socket;

– replace the Control Board, install new battery or take from previous board

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 6

fig.1M

Rear view

fig.2M

Access port

fig.3M

Opened door

fig.4M

Door cover removed

123 4

8. To replace the LCD Interface Board:

– remove the control board (see the control board replacement);

– pull out display cable from the slot (fig.6/1) by releasing

side clips;

– unscrew the four screws (fig.6/2) and release the board;

– replace the LCD Interface Board and re-assemble the unit.

Note: Keep ferrites on display cable.

9. To replace the LCD :

– remove the control board (see the control board

replacement);

– remove the LCD interface board (see the LCD interface

board replacement);

– unscrew the four screws (fig.6/3) and remove display holders;

– remove grounding copper layer (fig.6/4);

– replace the LCD and re-assemble the unit.

Note: Install grounding copper layer on a new LCD.

10. To replace the Button Board:

– disconnect Button Board wire terminal (fig.5/4) from

the control board and Button Board;

– unscrew the three screws (fig.6/5) and release the board;

– replace the Button Board and re-assemble the unit.

11. To replace the Door Temperature sensor:

– remove thermal insulation spot (fig.4/4);

– unscrew the two screws (fig.8/1) and remove cover and cushion;

– remove heat shrink sleeve (fig.8/2);

– desolder temperature sensor wires and remove it;

– solder new temperature sensor (1. scheme);

– re-assemble the unit.

12. To replace the Door Heater:

– unscrew the two screws (fig.4/3) and release Heater wires;

– unscrew the two screws (fig.7/1) and release ground wires;

– tear off insulation layer;

– tear off Door Heater (fig.7/2);

– replace the Door Heater and re-assemble the unit.

Disassembling for the: Power Board, Sensor Interface Board,

CO Sensor, Humidity Sensor, Fan, Solenoid Valve, UV Lamp

Ballast, Switch, Power Socket, Chamber Temperature

Sensor, Back Temperature Sensor, Back heater:

1. Disconnect the unit from power supply.

2. Unscrew the six screws (fig.1/2) on rear part of the unit.

3. Pull rear cover gently backward and disconnect two tubes (fig.9/1);

4. Remove rear cover.

13. To replace the Humidity Sensor:

– open the door and unscrew the two screws (fig.14/1) and remove

chamber cover;

– disconnect Humidity Sensor wire terminal from the sensor interface

board (fig.11/1);

– unscrew the nut (fig.15/1) and remove Humidity Sensor assembly;

– replace the Humidity Sensor assembly and re-assemble the unit;

Note: It is important to install new sensor PCB in vertical position as

shown in fig.11/2.

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 7

fig.6M

LCD interface board

fig.5M

Control board

12345

123 4 5

fig.7M

Door heater

fig.8M

Door temperature sensor

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 8

14. To replace the Sensor Interface Board:

– open the door and remove shelves unscrew the, two screws

(fig.14/1) and remove chamber cover;

– disconnect data wire from the Sensor Interface Board (fig.11/5);

– unscrew the nut (fig.14/2) an release CO sensor

d ;

– unscrew the ( ) and Sensor Interface two screws fig.11/3 release

Board with ;CO sensor

– unscrew the ( ) and gently pull out two screws fig.11/4 CO sensor

from Sensor Interface Board pin socket;

– replace the Sensor Interface Board and re-assemble the unit;

15. To replace the :CO sensor

– open the door and , unscrew the two screws remove shelves

(fig.14/1) and remove chamber cover;

– disconnect data wire from the sensor interface board (fig.11/5);

– unscrew the nut (fig.14/2) an release CO sensor

d ;

– unscrew the ( ) and Sensor Interface two screws fig.11/3 release

Board with ;CO sensor

– unscrew the ( ) and gently pull out two screws fig.11/4 CO sensor

from sensor interface board pin socket;

– replace the and re-assemble the unit;CO sensor

16. To replace the UV Lamp Ballast:

– mark wires with their connection slots to ease the assembling;

– push knobs (fig.12/2) to release the wires;

– unscrew the two screws (fig.12/1) and remove the UV Lamp Ballast;

– replace the UV Lamp Ballast and re-assemble the unit.

17. To replace the Solenoid Valve:

– disconnect tube (fig.10/4) from Solenoid Valve;

– disconnect Solenoid Valve wires (fig.10/1) from the power board;

– unscrew the nut (fig.10/2) from CO supply port;

– unscrew the two screws (fig.10/3) and remove Solenoid Valve with

bracket;

– unscrew the two screws and release the bracket;

– replace the Solenoid Valve and re-assemble the unit.

18. To replace the Power Board:

– mark wires with their connection slots to ease the assembling;

– disconnect all wires from the Power Board;

– unscrew the five screws (fig.10/5) and remove the Power Board;

– replace the Power Board and re-assemble the unit.

19. To replace the Switch:

– disconnect the wires (fig.13/3) from the Switch;

– pull out the Switch and replace it;

– re-assemble the unit.

20. To replace the Power Socket:

– disconnect the wires (fig.13/4) from the Power Socket;

– unscrew the ( ) and Power Socket;two screws fig.13/2 release

– remove fuses (see fuse replacement);

– replace the Power socket, install fuses and re-assemble the unit.

scheme.1

fig.9M

Opened rear cover

fig.10M

Rear cover removed

fig.11M

Sensor interface board

123

12345 6

9 10

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 9

21. To replace the Fan:

– open the door and remove shelves, unscrew the two screws (fig.14/1)

and remove chamber cover;

– unscrew the two screws 10 6 and release Fan wires;(fig. /)

– remove UV lamp (see UV lamp replacement);

– disconnect UV lamp wires from ballast (see ballast replacement);

– unscrew the screws 15 4 and release lamp holder bracket;(fig. /)

– unscrew the two nuts 15 3 and release Fan holder bracket;(fig. /)

– loosen wire transfer port;

– pull out Fan holder bracket and unscrew the four screws 15 5 of (fig. /)

malfunctioning Fan;

– replace the Fan and re-assemble the unit.

22. To replace the Chamber Temperature Sensor:

– open the door and remove shelves, unscrew the two screws (fig.14/1)

and remove chamber cover;

– remove Temp. Sensor insulation layer (fig.9/2);

– release Chamber Temperature Sensor wires from the power board;

– unscrew the 1 6 and Chamber Temperature Sensor nut (fig. 5/ )remove

assembly;

– replace Chamber Temperature Sensor assembly;

– re-assemble the unit;

23. To replace the Back Temperature Sensor:

– remove the power board (see power board replacement);

– remove the sensor interface board (see sensor interface board

replacement);

– unscrew the four screws (fig.10/10) and remove rear cover;

– remove heat insulation layer (fig.11/6);

– unscrew the appropriate two screws (fig.8/1) and remove cover and

cushion;

– remove heat shrink sleeve (fig.8/2);

– desolder Temperature Sensor wires and remove it;

– solder new Temperature Sensor (1. scheme);

– re-assemble the unit.

24. To replace the Back Heater:

– remove the power board (see power board replacement);

– remove the sensor interface board (see sensor interface board

replacement);

– unscrew the four screws (fig.10/10) and remove rear cover;

– remove heat insulation layer (fig.11/6);

– remove back temperature sensor (see back temperature sensor

replacement);

– tear off Back Heater;

– replace the Heater and re-assemble the unit.

Disassembling for the: Transformer, Port Heater, Bottom

Temperature Sensor, Perimeter Temperature Sensor.

1. Disconnect the unit from power supply.

2. Turn the unit upside down.

3. Unscrew the sixteen screws fig(16/1).

4. Turn around underside cover and unscrew one screw to release

ground wire, remove cover.

25. To replace the Transformer:

– mark the wires with appropriate connection slots;

– unscrew the five screws and release Transformer wires from wire

terminal (fig.17/1);

– unscrew the screw (fig.17/2) and release the Transformer;

– replace the Transformer and re-assemble the unit.

fig.12M

UV lamp ballast

fig.13M

Power socket

fig.14M

Opened door

fig.15M

Chamber cover removed

3 45 6

S-Bt Service Manual - V.1AW Version 1 - October 2017 Page 10

26. To replace the Bottom Temperature Sensor:

– unscrew the two screws (fig.17/4) and remove cover and cushion;

– remove heat shrink sleeve;

– desolder temperature sensor wires and remove it;

– solder new temperature sensor (1. scheme);

– re-assemble the unit.

27. To replace the Perimeter Temperature Sensor:

– unscrew the two screws (fig.17/3) and remove cover and cushion;

– remove heat shrink sleeve;

– desolder temperature sensor wires and remove it;

– solder new temperature sensor (1. scheme);

– re-assemble the unit.

28. To replace the Port Heater:

– unscrew access port cap (fig.2/1);

– disconnect Port Heater wire from the wire terminal (fig.17/1);

– unscrew the port end (fig.14/2) from inside of the chamber;

– unscrew the screw (fig.2/2) and pull out cable access port (fig.18);

– remove heat resistant tape (fig.18/1);

– remove Port Heater board (fig.18/2);

– replace Port Heater board, fix it using heat resistant tape;

– re-assemble the unit.

Disassembling for the: Open Door Sensor; Top, Bottom, Left,

Right - Heaters; Left, Right, Top - Temperature Sensors.

1. Disconnect the unit from power supply.

2. Unscrew the six screws (fig.1/2) on rear part of the unit.

3. Pull rear cover gently backward and disconnect two tubes (fig.9/1);

4. Remove rear cover.

5 .Turn the unit upside down.

6. Unscrew the sixteen screws (fig.16/1).

7. Turn around underside cover and unscrew one screw to release

ground wire, remove cover.

8. Unscrew the four spacers (fig.17/5).

9. Disconnect the wires from transformer wire terminal (fig.17/1).

10. Remove the solenoid valve (see solenoid valve replacement).

11. Remove the power socket (see power socket replacement).

12. Remove the switch (see switch replacement).

13. Remove the CO sample port (fig.10/8).

14. Remove the cable access port (see port heater replacement).

15. Unscrew the three screws (fig.10/7) and remove switch bracket.

16. Unscrew the six screws (fig.16/2) and release working chamber.

17. Open the door and gently pull out working chamber.

29. To replace the Open Door Sensor:

– disconnect Open Door Sensor wires (fig.10/9) from the power

board;

– pull out Open Door Sensor from the slot (fig.19/1);

– clean excess silicone;

– replace Open Door Sensor, fix it in the slot using silicone;

– re-assemble the unit.

fig.18M

Cable access port removed

fig.19M

Working chamber removed

fig.16M

Underside

fig.17M

Underside cover removed

3 4 5

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