Pcb - Mitsubishi KXZ Series Technical Manual

Error code
Remote control: E32
7-segment display: E32
1. Applicable model
Outdoor unit
2. Error detection method
By checking the power source
voltage at primary side of the
outdoor unit control PCB
(Check only L3 phase)
3. Condition of error displayed
When the power source voltage
between L1-L3 or L2-L3
becomes 0V and/or the current
of L3 decrease to 0A
4. Presumable cause
• Anomalous power source at
primary side
• Outdoor unit control PCB
anomaly.
Note:
LED Green Red
Keeps flashing Stays Off
Indoor
Keeps flashing 1 time flash
Outdoor
5. Troubleshooting
Diagnosis
Save data for 30 minutes before
stopping in Mente PC
Is the power
source voltage (between phases) at
the primary side OK?
YES
Reset the power source
and restart operation.
Does E32 recur?
249
-
Open L3 Phase on
Content
power source at primary side
(3 phase model only)
NO
YES
NO
-
'20 • KX-T-373
Countermeasure
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 useful to
persuade the customer why
an improvement of power
source is required by
showing these data.)
Propose an improvement to
the customer.
Check it, as much as
possible, under the
operating conditions for
30 minutes before error
occurred.
Replace outdoor unit control

PCB.

Wait and see without taking
any action.