GSZH5 Service Manual

78
SERVICING

Alert Code Alert Condition  
Normal Run
Solid Yellow
Normal operation, no trip N/A N/A
Code1
Yellow Flash 1
Long run time. Compressor is on running for more than 18
hours. (Code1 is disabled in Heat Pump mode.)
N/A N/A

Yellow Flash 2
Compressor (pressure) trip. Compressor runs for 12 sec
to 15 min followed by a compressor trip condition lasting
longer than 7 min.
4x consecutive
Red: Flash 2
Yellow: Off
Code3
Yellow Flash 3
Pressure switch cycling. Compressor runs for 12 sec to
15 min followed by a compressor trip lasting between 35
sec to 7 min.
4x consecutive
or 10x total
Red: Flash 3
Yellow: Off
Code4
Yellow Flash 4
Locked rotor. Compressor triips within a compressor run
time of 12 sec and does not start within 35 sec.
10x
consecutive
Red: Flash 4
Yellow: Off
Code5
Yellow Flash 5
Compressor (moderate run) trip. Compressor runs for 15
min to 18 hrs followed by a compressor trip lasting longer
than 7 min.
4x consecutive
or 10x total
Red: Flash 5
Yellow: Off
Code9
Red Flash 9
The current to the PROT terminal is greater than 2A
Current > 2A
for 40ms
Red: Flash 9
Yellow: Off
Trip
Solid Red
Demand is present, but compressor is not running N/A N/A