Prochem Trident Dehumidifier User Manual
Page 19
19
Maintenance
Troubleshooting
PROBLEM
CAUSE
SOLUTION
Nothing runs
Defective switch
Replace switch.
Defective control board
Replace control board.
Loose connection in internal wiring
Find and repair loose connection.
Coils don’t get hot
and cold
Compressor is not running.
See compressor doesn’t run.
Leak in system / refrigerant gone.
Find Leak, Repair, Recharge system.
Compressor
doesn’t run
Bad connection in compressor circuit.
Find and repair bad connection.
Defective compressor capacitor.
Replace compressor capacitor.
Defective compressor overload.
Replace compressor overload.
Defective compressor.
Replace compressor.
Defective control board.
Replace control board.
Defective relay.
Replace relay.
Ambient temperature is too low.
Move the machine to a warmer area.
Fan doesn’t run
Defective fan.
Replace impeller fan.
Bad connection in blower circuit.
Find and repair bad connection
Obstruction blocking impeller motion.
Remove blockage.
Machine doesn’t
extract as much
water as expected
Air Temperature / Humidity has dropped.
Retest Temperature / Humidity, Recalculate
Machine has entered defrost cycle.
Wait 1 hour recheck.
Dirty air filter.
Clean / Replace filter
Frosted coils.
Check / Replace thermister or control board.
Dirty coils.
Clean coils
Low refrigerant charge.
Find Leak, Repair, Recharge system.
Defective compressor.
Replace compressor.
Restrictive exhaust or inlet ducting.
Straighten, unblock ducting.
Water drips from
machine
Condensate pump is defective.
Replace pump.
Drain hose is kinked or plugged.
Straighten / Unplug /check for damage
Pump check valve is plugged.
Unplug valve.
Bad connection in pump circuit.
Find and repair bad connection
Hose is disconnected internally.
Reconnect hose.
Defective control board.
Replace control board.
Compressor,
pump or fan runs
when power
switch is OFF
Incorrect wiring.
Repair wiring.
86352290 Trident LGR Dehumidifier