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H. Trouble Shooting for Common Faults
1. Repairing Guidance
WARNING:
If repairs are required, contact Rheem or one of their authorised service agents.
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
authorises their competence to handle refrigerants safely in accordance with an industry recognised
assessment specification.
b. Do not attempt to work on the heat pump unit by yourself. Improper repairs may cause damage and danger
to you.
c. Strictly comply with the manufacturer's requirements when charging R32 gas. 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. Vacuumise the refrigerant circuit completely before carrying out any welding. Welding can only be
carried out by a professional person who is a qualified refrigeration mechanic.
2. Failures, solutions and fault codes
Wait until the power recovers
Check and change the fuse
Check and turn on the breaker
Fan running but with
insufficient heating
Remove the obstacles & any
debris
Remove the obstacles & any
debris
There is a 3-minute start delay
Wait patiently. This is normal on
start up
Display normal, but no heating
There is a 3-minute start delay
Wait patiently. This is normal on
start up
If above solutions don’t work, please contact Rheem or your installer with detailed information and
your model number. Do not try to repair the unit 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 the leakage circuit breaker tripped.
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