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Midea MRQ23B4AST Service Manual

Midea MRQ23B4AST
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Service Manual_2018-V1.0
35
sensor.
E0
Ice maker fault
Yes
Step 1: Check whether the terminal CN12 of main
control board is well stuck, pull out the terminal and
re-stick it in place and check if there is any foreign
matter on the terminal
Step 2: Check whether the terminal of ice maker is well
Variable frequency driver board fault analysis
Variable frequency driver board LED
Fault cause
Light
Working
Blink once: light 1S, extinguish 1S
Standby
Blink once: light 0.5S, extinguish 1.5S
Overcurrent
Blink twice: light 0.5S, extinguish 0.5S, interval
time(extinguish) is 1.5 second
Overvoltage
Blink four times: light 0.5S, extinguish 0.5S, interval
time(extinguish) is 1.5 second
Undervoltage
Blink eight times: light 0.5S, extinguish 0.5S, interval
time(extinguish) is 1.5 second
LOCK
Blink sixteen times: light 0.5S, extinguish 0.5S, interval
time(extinguish) is 1.5 second
Overload protection
9.6 Defrosting function
1Defrost the freezing chamber as per the accumulative operation time of the Compressor
2After running 6 hours continuously, enter defrost mode, if defrost mode has been entered, it will not
enter.

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Midea MRQ23B4AST Specifications

General IconGeneral
BrandMidea
ModelMRQ23B4AST
CategoryRefrigerator
LanguageEnglish

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