Panasonic CS-HZ12RKE, Руководство по обслуживанию

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17.4.22 F91 (Refrigeration Cycle Abnormality)
Malfunction Decision Conditions

The input current is low while the compressor is running at higher than the setting frequency.
Malfunction Caused

Lack of gas.

3-way valve close.
Troubleshooting
YES
NO, gas amount is OK
NO, closed
When F91 indication happens
Check 3 way valve
3-way valve opened? ● Open 3 way valve
YES
● Check for gas leaking source;
Check for gas leaking source (Refer to H16)
Gas leaking?
Check other parts in refrigeration cycles
Repair or replace defected part(s)
● Re-claim and then re-charge the
right amount
Caution
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.