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Mitsubishi Heavy Industries FDUM71KXE6 User Manual

Mitsubishi Heavy Industries FDUM71KXE6
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Error code
Remote controller:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
–
345
–
E32
E32
Open L3 Phase on
power supply at primary side
Keeps flashing
Stays Off
Keeps flashing
1 time flash
1. Applicable model
5. Troubleshooting
KXE6 multi outdoor unit
Diagnosis Countermeasure
NO
Check the power
supply voltage (between phases) at
the primary side.
Reset the power.
Save data for 30 minutes before
stopping in Mente PC
Is E32 displayed?
YES
NO
Check and save the data of
operating condition.
Check the conditions
whether it occurs
immediately after the
power on or during
operation or stopping.
(It will be convenient to
persuade the customer why
an improvement of power
supply is required by
showing these data)
Propose an improvement to
the customer.
Restart operation and check
it, as much as possible,
under the operating
conditions for 30 minutes
before error occurred.
Replace outdoor control
PCB.
Wait and see without taking
any action.
2. Error detection method
By Checking the power supply
voltage at input side of the
outdoor control PCB
3
.
Condition of error displayed
When the voltage between L1-N
and L2-N become 0V and/or
the current of L3 decrease ( 0
Ampere )
4. Presumable cause
• Faulty power supply at
primary side
• Anomalous outdoor control
PCB
Note:

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Mitsubishi Heavy Industries FDUM71KXE6 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelFDUM71KXE6
CategoryAir Conditioner
LanguageEnglish

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