Heat Pump Pool Heater
28
S/N
Error Name S/N
Error Name
12 PL
Low voltage protection/voltage
drop fault of variable frequency
compressor drive DC busbar
32 A1
Drive IPM module protection
of variable frequency
external fan
13 PP
Abnormal drive AC input
voltage protection of variable
frequency compressor
33 A6
Drive communication fault of
main control & variable
frequency external fan
14 PU
Drive charging circuit fault of
variable frequency compressor
34 A8
Over-
of variable frequency
external fan drive module
15 P0
Drive module reset of variable
frequency compressor
35 A9
Temperature sensor fault of
variable frequency external
fan drive module
16 P5
Overcurrent protection of
variable frequency compressor
36 U9
Abnormal drive AC input
zero-crossing protection of
variable frequency external
fan
17 P6
Drive communication fault of
main control & variable
frequency compressor
37 An
Drive memory chip fault of
variable frequency external
fan
18 P7
Temperature sensor fault of
drive module of variable
frequency compressor
38 AF
Drive PFC protection of
variable frequency external
fan
19 P8
Drive module over-temperature
protection of variable frequency
compressor
39 UL
Overcurrent protection of
variable frequency external
fan
20 P9
Abnormal drive AC input
zero-crossing protection of
variable frequency compressor
40 UP
Power protection of variable
frequency fan
6.6 Notices on Maintenance
6.6.1 Information on Servicing
The manual shall contain specific information for service personnel who shall
be instructed to undertake the following when servicing an appliance that employs a
flammable refrigerant.
Aptitude requirement for maintenance man (repairs should be done only be
specialists).
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.
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