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1. Repairing Guidance
Requirements for Service Personnel
a. 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.
b. Do not attempt to work on the equipment by yourself. Improper operation may cause danger.
c. 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.
d. Vacuum system completely before welding. Welding should only be carried out by professional
person in a service center.
2. Problems without an error code
Wait until the power recovers
Check and change the fuse
Check and turn on the breaker
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. Please 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!
If repairs or removal is required,
contact authorized service center.