There has been no fault
detected since the last power down/power up sequence
High Pressure Switch
2-HP Open Instantly
Low Pressure Switch
or LOC
3-LP open for 30 continuous
seconds before or during a call
(bypassed for first 120 seconds)
Low Temperature
Cut-Out Coax – FP1
4-FP1 below Temp limit for 30
continuous seconds (bypassed
for first 120 seconds of
operation)
Low Temperature
Cut-Out Aircoil – FP2
5-FP2 below Temp limit for 30
continuous seconds (bypassed
for first 120 seconds of
operation)
Condensate Overflow
6-Sense overflow (grounded) for
30 continuous seconds
Over/Under Voltage
Shutdown
7-(Autoreset)
“R” power supply is
>31.5VAC
UPS Warning
8-Unit Performance Warning
signal has occurred
Swapped FP1/FP2 9 FP1 and FP2 are in
reversed positions
Climatemaster Water Source Heat Pump Error Codes