137
17.4.21 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
When F91 indication happens.
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
Open 3 way valve.
NO, closed.
NO, gas amount is OK.
Check 3 way valve.
3-way valve opened?
Check for gas leaking source (Refer H16).
Gas leaking?
Check other parts in refrigeration cycles.
Check for gas leaking source;
Repair or replace defected part(s).
Re-claim and then re-charge the
right amount.
YES
YES
Содержание 5025232871346
Страница 36: ...36 7 Refrigeration Cycle Diagram 7 1 CS RZ25TKR CU RZ25TKR CS RZ35TKR CU RZ35TKR ...
Страница 147: ...147 Figure 9 Figure 10 ...
Страница 151: ...151 Figure 9 Figure 10 ...
Страница 153: ...153 18 3 2 CU RZ50TKR CU RZ60TKR Caution When handling electronic controller be careful of electrostatic discharge ...