Sd Memory Card Error; Inverter Connection Failure; Pressure Ratio Alarm; Hot Gas Temperature Alarm - ComfortZone RX35 User And Installation Manual

ComfortZone RX35/RX50/RX65
Cause:
Measure:
13.14

SD memory card error

Cause:
Measure:
13.15

Inverter connection failure

Cause:
Measure:
13.16

Pressure ratio alarm

Cause:
Measure:
13.17

Hot gas temperature alarm

Cause:
Measure:
13.18

Alarm - Multiple alarms simultaneously

Cause:
- Excessive temperature of the return sensor.
- Check that all push pumps are running.
- Check that the return sensor works correctly
. Shall be connected to X5: 3-4.
- Comes from faulty or missing SD memory card.
- Make sure the SD memory card is in place,
- Check that parameter for this function in the menu
Advanced settings"/"General settings" hold the button
for 5 seconds.
Proceed to "Hardware settings" / "Display settings" / "SD
memory card" / "Log to SD card"
- This parameter should be set to Yes if the memory card is in
place and No if not.
- The memory card is 4 GB as standard but can be replaced
with 8.0 GB, 16.0 GB or 32.0 GB.
- Make sure the memory card works by connecting it to a regular
computer.
- Incorrect parameter.
- Check that parameter for this function in the Advanced
Settings / "General Settings" menu hold the button for 5
seconds.
Proceed to Hardware Settings / Display Settings / Inverter /
Read Alarm Code /
This parameter should be set to No.
- Too high a pressure ratio, high pressure is too high in
relation to low pressure.
May be due to excessive flow temperature.
Check the supply temperature.
See also Measure in section 16.2 High gas pressure alarm,
16.3 Low pressure 1 alarm and 16.5 Inverter alarm (0).
- Too high hot gas temperature, above 120 ° C.
Usually depends on cold media deficiency or that the expansion
valve does not open properly.
- See section 16.20 EEV Max pos timeout.
- The connectors on the control board probably have been
pulled out when the front plate or the cables have come loose
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service & maintenance