Install Manual

Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code.

Recommended parts to prepare:

•

Connection wires

•

Sensors

•

PCB

Troubleshooting and repair:

Check the connection between

temperature sensor and PCB.

Replace indoor PCB (EH 60/EH 61) or

outdoor PCB (EC 53/EC 52/EC 54/EC 56).

Is it within acceptable

parameters?

Is it properly wired? Ensure proper connections.NO

Measure the resistance

value of the sensor

YES

Replace the sensor. NO

YES

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10.5 Error Code(s): EH 60/EH 61/EC 52/EC 53/EC 54/EC 56 (Open circuit or short circuit of temperature

sensor diagnosis and solution).

Note: For certain models, the outdoor PCB cannot be removed separately. In this case, the outdoor

electric control box should be replaced as a whole. The illustration and value above are for reference

only, actual appearance and value may vary.

****Disclaimer****

The error codes and descriptions are for reference only. If your system displays any of

these codes contact a qualiﬁed technician to investigate the matter further.