ICP DAS USA DFS2A324J2A Manuel D’Utilisation
15
Table 8 — General System Troubleshooting Guide
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
Power supply from outdoor unit to indoor
Check for proper connection of power at disconnect.
unit is not connected.
Power supply to unit not connected
Unit Fails to Start.
(POWER LED Off).
Fuse blown (POWER LED Off).
Reset circuit breaker or replace line fuse.
ON/SEND button has not been pressed.
Press ON/SEND button on remote control.
Indoor unit does not receive transmitted commands.
Make sure that nothing is blocking the remote control transmission to the unit.
Only Indoor Fan
The selected mode is Fan Only, or Cool when
Check if the remote control is in the desired mode. If not, select the
Works when Cooling
heating is desired.
correct mode (refer to User manual). Also note that every 15 minutes
or Heating is Desired.
(maximum) the compressor will be switched minimally on for 3 minutes.
NOTE: Indoor fan runs
continuously in
continuously in
Temperature is set to a value which is
Observe the temperature setting on the remote control. Also note that
cooling mode.
too high (in Cool mode).
each 15 minutes (maximum), the compressor will be switched on
minimally for 3 minutes.
Only Indoor Fan Motor
Overload safety device on compressor is cut out
Switch off power and try again after one hour.
and Outdoor Fan Motor
due to high temperature.
are Working. No Cooling
Compressor run capacitor is burnt.
Replace compressor run capacitor.
and/or Heating Takes
Compressor winding shorted.
Replace compressor.
Place.
No Air Supply at
Indoor fan motor is blocked or turns slowly.
1. Check voltage. Repair wiring if necessary.
Indoor Unit
2. Check indoor fan wheel if tight on motor shaft. Tighten if necessary.
(Compressor Operates).
Indoor fan motor capacitor is burnt.
Replace indoor fan motor capacitor.
Indoor fan motor winding is burnt.
Replace indoor fan motor.
In Heat mode: Delayed start for indoor fan motor.
Normal software delay (maximum of 20 sec).
Clogged air filters.
Clean filters.
Lack of refrigerant. Ice formation on the evaporator coil.
Unit must be charged (according to the nameplate) after localizing the
Low Capacity.
gas leak.
Clogged air filters.
Clogged air filters.
Clean filters.
In Heat Mode, Only
A/C operating in defrost cycle.
Wait 10 minutes (maximum) until the unit resumes normal operation.
Compressor Runs.
Outdoor and Indoor
Fan Motors are Stopped.
Outdoor and Indoor
Fan Motors are Stopped.
Water Accumulates and
Drain pan pipe or hose is clogged or the spout of drain
Disassemble plastic drain pipe from spout of evaporator drain pan.
Overflows from
pan is clogged.
Flush with clean water.
Evaporator Drain Pan.
The unit is in the Auto, (emergency) mode.
Push button once to cancel Auto, (emergency) mode.
Faulty remote control settings.
1. If remote control symbols respond to the commands correctly, check
the unit ID Code (Standard or Alternative). Refer to “Changing Unit
Unit Does Not Operate in
ID Code" in the Owner’s Manual.
Desired Mode.
2. If Cool commands are OK, but Heat symbol is skipped on LCD, refer
to setting the remote to cooling or heat pump on the Owner’s Manual.
3. Replace remote control.
Remote control low battery.
Replace remote control batteries.
The Unit Receives
Common Infrared Code.
Modify the Remote Control IR transmission code.
Interference from
Refer to “Changing Unit ID Code" in the Owner’s Manual.
Other Remote Control
or the Remote Control
Interferes with Other
Instruments.
or the Remote Control
Interferes with Other
Instruments.
Copyright 2006 ICP International Comfort Products
Manufacturer reserves the right to discontinue, or change at anytime, specifications or designs without notice and without incurring obligations.
Printed in Israel