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H. Trouble shooting for common faults
1. Repairing Guidance
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c.
Any person who is involved with working on or breaking into a refrigerant circuit should hold a
current valid certificate from an industry-accredited assessment authority, which authorizes their
competence to handle refrigerants safely in accordance with an industry recognized assessment
specification.
d.
Do not attempt to work on the equipment by yourself. Improper operation may cause danger.
e.
Strictly comply with the manufacturer's requirements when charging R32 gas and equipment
maintenance. This chapter focuses on special maintenance requirements for swimming pool heat
pump with R32 gas. Please refer to the technical service manual for detailed maintenance
operation.
f.
Vacuumize completely before welding. Welding can only be carried out by professional personnel in
service center.
2. Failure solution and code
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Failure
Heat pump doesn't run
Fan running but with
insufficient heating
Display normal, but no heating
If above solutions don't work, please contact your installer with detailed information and your model
number. Don't try to repair it yourself.
Note: If the following conditions happen, please stop the machine immediately, and cut off the power
supply immediately, then contact your dealer:
1. Inaccurate switch action.
2. The fuse is frequently broken or leakage circuit breaker jumped.
WARNING:
a.
If repair or scrap is required, pls contact authorized service center nearby.
b.
Requirements for Service Personnel
No power
Power switch is off
Fuse burned
The breaker is off
evaporator blocked
Air outlet blocked
3 minutes start delay
Set temp. too low
3 minutes start delay
Reason
16
Solution
Wait until the power recovers
Switch on the power
Check and change the fuse
Check and turn on the breaker
Remove the obstacles
Remove the obstacles
Wait patiently
Set proper heating temp.
Wait patiently
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