Danfoss Optyma iCO2 User Manual page 49

User Guide | Optyma™ iCO2
Error code
Remote control: –
7-segment display:
*1 E36-1: 1-time ash
1. Applicable model
All models
2. Error detection method
If discharge pipe temperature
sensor detects anomalous high
temperature
3. Condition of error displayed
If discharge pipe temperature
sensor detects 150°C or higher
for 2 seconds or compressor
stops 5 times within 60 minutes
4. Presumable cause
• Discharge pipe temperature
sensor anomaly
• Control PCB anomaly
• Leakage of refrigerant
• Lack of air ow volume
• Injection circuit malfunction
• Excessive suction superheat
due to malfunction of EEV
operation.
Note:
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
LED Green
Keep
Condensing
E36-1
ashing
unit
5.Troubleshooting
Is there any
leak of refrigerant?
refrigerant amount charged
sensor connector inserted
to the connector on control
PCB properly?
Is there any anomaly of
discharge pipe temperature sensor?
the valve of gas injection
circuit (SVINJ1) activate
Does EEVLB activate
normally?
refrigerant ow through
EEVLB main
Red
Content
temperature anomaly
*1
Diagnosis
NO
Is the
properly?
YES
Is the
YES
NO
Does
normally?
YES
YES
Does the
body?
YES
Discharge pipe
Countermeasure
Specify the leak point and
YES
rectify it.
Check the refrigerant
NO
amount and charge
additionally.
Check the connector and
NO
wirng harness and rectify
it.
Check the output and
YES
replace the sensor.
Check the coil of solenoid
NO
valve or the sensor and
replace it.
Replace the coil EEVLB
NO
Replace the EEVLB main body.
NO
( If there is no refrigerant in
liquid line, charge refrigerant
additional)
Check refrigerant amount
again.
BC408445719305en-000101 | 49