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User Guide | Optyma™ iCO2
7. Troubleshooting
Error code
Remote control:
–
7-segment display:
1. Applicable model
All models
2. Error detection method
Check the power source voltage
of inlet side of control PCB.
(Check only L3-phase)
3. Condition of error displayed
If the power voltage between
L3 and L1 phases or L3 and L2
phases becomes 0V.
4. Presumable cause
• Power source voltage failure
on primary side
• Control PCB anomaly
Note:
48 | BC408445719305en-000101
LED
Green
Condensing
Keep
unit
E32
flashing
5. Troubleshooting
Save the Mente PC data of 30 minutes
before stopping
primary side of power source voltage
between phases
Reset the power source and restart
Is E32 displayed?
Red
Content
Open phase of power line
1-time
flash
Diagnosis
Is the
NO
OK?
YES
YES
NO
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
Countermeasure
• Check the operation status
and record it.
• Check it occurs soon
after power ON or during
operation or during
stopping.
(When asking the customer
to make rectification, it is
much easier to explain the
Ask the customer to make
rectification.
Check it under the operating
conditions 30 minutes
before error occurred as
possible as you can.
Replace control PCB.
Check operation without
any rectifications.
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