Toyotomi TAN-28HIM Service Manual page 20

OVERHEAT PREVENTIVE RELAY(OHR)
OHR
compressor
1
attention high
temp.
2
3
TROUBLESHOOTING GUIDE
YES
Any gas leakage?
After repair, fill up prescribed gas.
NO
Firstly cut down power source. When the temp. of above part of the
compressor is below 50°C, does the OHR have electric continuity?
(see left fig)
NO
Change OHR
Phenomenon OHR works
1
Gas leakage
Cause
2
OHR is defective
– 19 –
YES
See trouble shooting (compressor)