iCON iSOLAR 3” PDP Instruction Manual 9
LED illuminated –Display showing voltage value
LED illuminated –Display showing motor speed
LED illuminated –Pump operation suspended as the
pressure side input indicates no water required.
Associated with TL, TH and COM terminals.
LED illuminated –Pump operation suspended.
Low level float indicates insufficient water. 10 min delay
prior to restart. Associated with WEL and COM terminals.
Also serves as a pump failure alarm indicator.
LED illuminated –MPPT function active
LED illuminated –Input power available
LED illuminated –Display showing amperage value
LED illuminated –Display showing wattage value
10. Alarm Parameters and Meaning
What to look for / Possible causes
Motor and Controller mismatched
Motor short circuit or cable damage
Motor phase absence or U,V,W wiring issue
Motor and Controller mismatch?
The wet end may be jammed or connected
incorrectly
Disconnect from power, inspect and clean.
Motor short circuit or cable damage
Input voltage is too high
Check the water level and ensure the pump is
fully submerged
High Temperature protection
Controller temperature is too high.
Ensure the controller is installed away from direct
sunlight, protected from the weather and
adequately ventilated
Input power may be too low. The wet end may be
jammed or connected abnormally. Disconnect
from power, inspect and clean.
Input power positive / negative wiring error
