Toshiba RAV-GM1601AT8P-E Service Manual page 72

Check Outdoor
code LED display
[P20]
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[High pressure protective operation]
Is service valve
fully opened?
YES
Reset the power supply
and then make a test run.
Is resistance value
of TE sensor correct?
YES
Is there any defect such as
loosening of nut in the outdoor fan?
NO
Does the outdoor fan perform
abnormal operation?
NO
Is there anything
which interfere heat exchange
of outdoor unit?
• Clogging of heat exchanger
• Short-circuit
NO
Check overcharge of refrigerant, clogging of cycle,
broken pipe, abnormal overload, etc.
Defect → Correct defect.
- 72 -
NO
Open service valve fully.
NO
Replace TE sensor.
YES
Check outdoor fan.
Defect → Replace, retightening
YES
Check the same items as
[P22] error.
YES
Eliminate interfering element.