Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual page 84

Check code
Abnormal points and detection methods
OCH573E
Diagnosis
No
Causes and checkpoints
No
SW1 Setting
Display on LED1,2
ON
99.9–999.9
OFF
1 2 3 4 5 6 7 8
No
Remedy
Unit
°F