Hayward HP50A - Troubleshooting Error Code: P01, P02, P04 or P05

20
Error Code:
P01,02,04,05
Locate
temperature
sensors
Remove
selected sensor
from wire locks
Ohm sensor
comparing values
to Temperature /
Resistance Chart
(pg. 7)
1. Error Code: P01, P02, P04 or P05
Power down
Heat Pump
YES
Is sensor
within
expected
range?
NO
Replace Sensor:
HPX2000-3242
Replace Main PCB:
HPXMCB50