Si20-701_B Troubleshooting by Remote Controller
224
3.41
H3
High Pressure Switch
Abnormality
Remote Controller Display
H3
Applicable Models
RY-F, R(Y)-G/GA/KU
Method of Error Detection
Continuity of the high pressure switch is detected by the
safety device circuitry.
Error Decision Conditions
When the compressor is OFF and the high pressure
switch does not have continuity
Supposed Causes
îš„ Defective high pressure switch
 High pressure switch’s harness is broken or
disconnected
 Defective high pressure switch’s connector connection
îš„ Defective outdoor unit PCB
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