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71
LIST OF SELF-DIAGNOSTIC CODES
CODE CONDITION SOLUTION
AL1 Alarm device 1 is activated
1. Check FA-1, FA-2 connection
2. Identify and correct condition causing alarm
3. Press CLEAR bu on to reset
AL2 Alarm device 2 is activated
1. Check AL-1, AL-2 connection
2. Identify and correct condition causing alarm
3. Press CLEAR bu on to reset
FL Drain tank is full
1. Empty tank
2. Place tank back in unit
3. Press CLEAR bu on to reset
HP
High pressure protection
is activated
1. Clean air fi lters
2. Ensure 24 inches clearance in front of air inlets
3.
Check operating temperature and humidity
condition
4. Ensure air flow is not blocked or restricted
5. Press CLEAR bu on to reset
PU Condensate pump error
1. Check drain line for kink, blockage and improper
routing
2. Identify and correct condition
3. Press CLEAR bu on to reset
CF Cooling Failure Contact dealer or qualifi ed technician
E1 RTS thermistor failure Contact dealer or qualifi ed technician
E2 ODS thermistor failure Contact dealer or qualifi ed technician
E3 CTS1 thermistor failure Contact dealer or qualifi ed technician
E4 CTS2 thermistor failure Contact dealer or qualifi ed technician
E5 CTS3 thermistor failure Contact dealer or qualifi ed technician
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