Hayward HeatPro® Owner's Manual page 18

Troubleshooting Guide for
Lights
Problem
No power to heat pump
Faulty electrical component
• •
High / Low Pressure Switch
•
PS
Water Pressure Switch
•
LP
Low Pressure Switch
•
HP
High Pressure Switch
•
SF
Temperature sensor
•
120
888
Thermostat reset
•
C=1
•
RHD
•
Heat Pump Pool / Spa Heater Owner's Manual
DIGITAL
Possible
Cause
Tripped circuit breaker/ no
power supply
Outside temperature too
cold.
Low or no water flow
Outside temperature too
cold. (Refer to page 7.)
Loss of refrigerant
Switch failure
Fan motor failure
Coil obstruction
Air flow obstruction
Low water flow
High water temp
Refrigerant is overcharged
Switch Failure
2-speed filter pump
Failure
Normal operation
Internal board identification
Remote device is
controlling the unit.
17
Thermostat Control
Solution
Check breaker and insure that the unit is properly
installed.
Call HAYWARD service department for info.
Call HAYWARD service department for info.
Check ambient temperature, if lower than 50 F,
Unit will not run
Check water flow to heat pump. .
Clean your filter
. Make sure all valves are open and bypass valve
is closed.
Ensure pool filter pump is on
Normal operation for TCO function
Turn off fountains, crawlers, etc.
Check ambient temperature. Wait for warmer
temperature (refer to page 7.)
Call HAYWARD service department for info.
Call HAYWARD service department for info.
Call HAYWARD service department for info.
Call HAYWARD service department for info.
Perform cleaning procedures described in this
manual.
Call HAYWARD service department for info.
Check water flow to heat pump. .
Clean your filter
. Make sure all valves are open
Ensure pool filter pump is on
Set unit to "ACP" if you have the heat / cool
option.
Refer to text on PST-5 control board.(pg 12)
Check pool temp. Wait until pool needs heat.
Call HAYWARD service department for info.
Have a professional adjust to proper levels
Contact HAYWARD for service info.
Contact HAYWARD for service info.
Make sure speed is set to "high"
Contact HAYWARD for service info.
Temporary display. Shows for 1-2 secs when the
unit is first turned on.
Temporary display. Appears intermittently. Ignore
unless it does not disappear.
Refer to owner's manual of the remote device.
If you do not have a remote device connected, call
HAYWARD for service info.