Due to ICE AIR’s ongoing product development programs, the information in this document is subject to change without notice.
9
Troubleshooting
IMPORTANT: It is not the intent of this maintenance manual to
resolve any problems with the operation of your ICE AIR unit.
Please contact a trained servicer or building maintenance
staff immediately if your unit fails to perform properly.
1. Contact a trained service technician to conduct full unit
diagnostics and repair to equipment.
2. Record any unit that does not operate noting the unit serial
number on your report.
If unit is not operating, conduct the following checks:
1. Check the electrical connections.
2. Check the voltage and current against the electrical
specifications on the unit nameplate.
3. Look for wiring errors. Check for loose screw connections in both
line and low voltage terminals.
4. Check the water supply piping for proper water connection.
5. Check for dirty filters.
6. Check indoor fan for proper operation.
7. Check that unit did not cycle off due to improper thermostat
settings.
8. Check for fault codes on the control board – consult the Board
Troubleshooting Table.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
WARNING:
ICE AIR will not be responsible for any injury
or property damage arising from improper service or service
procedures. If you install or perform service on this unit, you
assume responsibility for any personal injury or property
damage which may result. Many jurisdictions require a license
to install or service heating and air conditioning equipment.
WARNING HIGH VOLTAGE:
Disconnect all power before
servicing or installing unit. Multiple power sources may be
present. Failure to do so may cause property damage,
personal injury or death.
Board Troubleshooting Table
Display (Fault Code)
LED
Troubleshoot Guide
Yellow
Green
Red
Normal Mode
OFF
ON
OFF
Normal Operation
High Pressure
OFF
OFF
FLASH
Low/no water flow, dirty coax coil, cap tube blockage, entering water temp is too high
Low Pressure
FLASH
OFF
OFF
Low charge, dirty filter, dirty evap coil
Evaporator too cold
FLASH
ON
FLASH
Dirty filter, dirty evap coil, fan motor failure, low gas
Coaxial winter protection
FLASH
ON
OFF
Water too cold during off mode
Temperature probe failure
OFF
FLASH
OFF
Loose/disconnected probe wire, bad probe
High/low voltage
OFF
OFF
ON
Site voltage unstable, bad transformer
Condensate over flow
OFF
ON
ON
Clogged condensate drainage
Coaxial water too cold
ON
OFF
OFF
Water too cold during on mode, low gas
