Toyotomi TAN2-A53EW Service Manual page 23

OVERHEAT PREVENTIVE RELAY(OHR)
compressor
1
2
attention high
temp.
3
OHR
TROUBLESHOOTING GUIDE
YES
Any gas leakage?
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
– 22 –
After repair, fill up prescribed gas.
YES
See trouble shooting (compressor)