80 Hartford Avenue, Mount Vernon, NY 10553 | Tel: 877-ICE-AIR-1 (877-423-2471) | Fax: 914-668-5643 | email: [email protected]
www.ice-air.com
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© 2013 by ICE AIR, LLC
TROUBLESHOOTING
1. If unit is not operating, conduct the following checks:
•
Check the electrical connections
•
Check the voltage and current against the electrical
specifications on the unit nameplate
•
Look for wiring errors. Check for loose screw connections
in both line and low voltage terminals
•
Check the water supply piping for proper water
connection
•
Check for dirty filters
•
Check indoor fan for proper operation
•
Check that unit did not cycle off due to improper
thermostat settings
•
Check for fault codes on the control board consult the
troubleshooting guide.
2. If checks above fail to reveal operating problem:
If the unit still do not operate after reset, contact trained
service technician to conduct full unit diagnostics and repair to
equipment. Record any unit that does not operate noting the
unit serial number on your report
BOARD TROUBLESHOOTING TABLE
Fault Description
Board LED Code
Yellow
Green
Red
Normal
OFF
ON
OFF
High
Pressure
Lockout
OFF
OFF
FLASH
Low
Pressure
Lockout
FLASH
OFF
OFF
Air
Side
Freeze-up
Protection
FLASH
OFF
FLASH
Waterside
Freeze-up
Protection
FLASH
ON
OFF
High
Water
Temperature
Protection
FLASH
OFF
ON
Over/Under
Voltage
Protection OFF
OFF
ON
Condensate
Overflow
Protection
ON
OFF
OFF
Low
Water
Temperature
Protection
ON
OFF
FLASH
