Midea DLFSAB Series User Manual

DLFSAB and DLFLAB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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DIAGNOSIS AND SOLUTION (CONT.)
EH60/EH61/EH62/EH65/EC53/EC52/EC54 - Open Circuit or Short Circuit of Temperature Sensor
Diagnosis and Solution
Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure.
Recommended parts to prepare:
• Connection wires
•Sensors
•PCB
Troubleshooting and Repair:
NOTE: The priority is EC 52 >EC 53 > EC54 > EC55 > EC 56 > EH 60 > EH61 > EH62 > EH 65.
Fig. 18 — Test
NOTE: For certain models, the outdoor PCB could not be removed separately. In this case, the outdoor electric control box
should be replaced as a whole. Figure 18 and the value within are for reference only
. The actual appearance and value
may vary.
Check the connection between the
temperature sensor and the PCB.
Replace the indoor PCB ((EH XX)
or the outdoor PCB (EC XX))
Is it within
acceptable parameters?
Is it properly wired?
Ensure the proper connections.
NO
Measure the sensor’s
resistance value.
YES
Replace the sensor.
NO
YES

Midea DLFSAB Series Specifications

General

Brand	Midea
Model	DLFSAB Series
Category	Air Handlers
Language	English