38MARB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
34
DIAGNOSIS AND SOLUTION (CONT)
Indoor Temperature Sensor Is an Open Circuit or a Short Circuit (T1, T2) (EH60)
Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code.
Recommended parts to repair:
• Connection wires
•Sensors
• Indoor main PCB
Troubleshooting
Fig. 33 — Test
NOTE: Figure 33 and the value shown within are for reference only.
Check the connection between
the temperature sensor and PCB.
Replace the indoor main PCB.
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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