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Haier 3U19FS2ERA Service Manual page 53

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7.1.12 High load protection control
The outdoor system will be stopped if the coil temperature is above 65
fan will be controlled by the thermostat. The outdoor system can be restarted when the coil
temperature is below 42
stored in the malfunction resume and will not be revealed.
7.1.13 abnormal operation of indoor system
When the outdoor system operates, if the indoor system operation differs from the outdoor system,
the abnormal operation malfunction will be reported. 10s after the report, the indoor system will be
closed.
Outdoor system mode
cooling
cooling
cooling
heating
heating
heating
7.1.14 Malfunction list resume.
Nothing is presented if there is no code list.
The malfunction display will automatically finish in 10 seconds.
The remote control only receives the signals for stop. According to the signals, the malfunction
resume presentation finishes.
The resume restores after the power supply restores.
7.1.15 abnormality confirmation approaches.
1. indoor temperature sensor abnormali t y:
under the operation, the normal temperature ranges from 120 degree to -30 degree. When the
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
into the range, the system will automatically resume.
2 .indoor heat interaction sensor abnormality:
under the operation, the normal temperature ranges from 120 degree to -30 degree. When the
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
into the range, the system will automatically resume.
3 .indoor malfunction:
Out door malfunction: When the indoor system receives the outdoor malfunction codes, it will store
the code into E2 for the malfunction list resume. The indoor system will continue to operate according
to the original status, the malfunction code will not be revealed or processed.
and the system has been stopped for 3 minutes. The malfunction will be
Indoor system mode
heating
cooling
airflow
heating
airflow
cooling
240
Functions and Control
for 2 minutes. The indoor
conflicts
yes
no
no
no
yes
yes
Domestic air conditioner

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