Friedrich MD24Y3J Svc Manual page 80

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Title
code
High temperature in out-
61
door Cond. Pipe
WARNING
Before checking PCB or each outdoor electric parts, wait for 3 minutes after the power is off. When measuring at standby state
of power supply, after checking the measurement mode of the meter, be careful of the short-circuits with other parts.
Recheck power and
installation condition
Only for training and service purposes
Cause of error
• Overload operation
(Outdoor fan constraint,
screened, blocked)
• Outdoor unit heat
exchanger contaminated
• EEV connector displaced
/ poor EEV assembly
• Poor Cond. Pipe sensor
assembly / burned
- 80 -
Check point & Normal condition
• Check outdoor fan constraint / screened / flow
structure
• Check if refrigerant overcharged
• Check the status of EEV assembly
• Check the status of sensor assembly / burn
CN- C/PIPE
(Violet 3Pin Connector)