37
Error Code
(7 Segment)
Outdoor unit led
Wi-fi module communication error
ER 19
Error Code
(7 Segment)
Outdoor unit led
Outdoor unit BLDC fan motor error
ER 26
Blinking 26 times -stopping for 3 sec.
8.5
Protection codes
Protection Code
(7 Segment)
Outdoor unit led
Description
Compressor start protection
ER 11
Blinking 11 times -
stopping for 3 sec.
Described above in error codes.
Compressor excessive current
protection
ER 13
Blinking 13 times -
stopping for 3 sec.
Described above in error codes.
Arc protection (loose
connections)
AE
Blinking 24 times -
stopping for 3 sec.
There is a connection loose enough to generate an
arc in the device or the network; connections should
be checked again
Defrost occurred
DF
Blinking 6 times -
stopping for 3 sec.
This is normal. Occurs in order to melt the ice in the
outdoor unit.
Compressor discharge
temperature is too high product
stopped (protection)
No display
Blinking 19 times -
stopping for 3 sec.
Occurs when the compressor temperature reaches
above the critical level. Exchanger cleanliness and
gas level should be checked.
Board cooler temperature is
too high, product stopped
(protection)
No display
Blinking 21 times -
stopping for 3 sec.
May occur when the outdoors are too hot or in out-
of-limit situations. Exchanger cleanliness should also
be checked.
Supply frequency error
No display
Blinking 23 times -
stopping for 3 sec.
May occur when the supply frequency goes beyond
the limits. Supply voltage line should be controlled.
PFC circuit protection
No display
Blinking 12 times -
stopping for 3 sec.
Protection occurs in the event of sudden voltage and
frequency drops. Air conditioner should be turned
off and on again when the supply voltage returns to
normal.
Current protection/sudden
disconnection in supply
No display
Blinking 8 times -
stopping for 3 sec.
Occurs in the event of sudden drops of supply
voltage. When the problem is solved, the product
continues working.
ER 19 Error is a communication error
between the wi-fi module and the main
board. Does the problem go away
when the wi-fi module is replaced?
Reinstall the module and operate.
YES
NO
Replace the indoor unit main board.
ER 26 BLDC fan motor error is
received
Outdoor unit LED signals 26 times
Open the BLDC fan motor malfunction
control steps in the service manual and
perform the operations specified in
order. Replace the fan motor or control
board according to the procedure
outcome.
Replace the fan motor.
Replace the outdoor unit control board.
Содержание ZS12V70CCHI
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