Error Codes and Suggested Resolutions
Service Manual B-7
038
Category: A/D
Alarm Priority: Low
Description: Too many consecutive CRC errors in SPI commands.
Resolution: Replace the ribbon cable. See page 10-19.
If this does not resolve the issue, try replacing the power PCBA. See page 10-31.
If the problem persists, try replacing the UI PCBA. See page 10-12.
This error may also appear due to electromagnetic interference from other devices
at the customer site. Advise the customer to try increasing the distance between
devices, repositioning the cabling, or plugging the devices into separate outlet
circuit branches. See Electromagnetic Compatibility (EMC) on page 13-4 for addi-
tional guidance.
045
Category: A/D
Alarm Priority: Medium
Description: Thermistor open circuit.
Resolution: Replace the thermistor. See page 11-3.
046
Category: A/D
Alarm Priority: Medium
Description: Thermistor shorted.
Resolution: Replace the thermistor. See page 11-3.
048
Category: A/D
Alarm Priority: Low
Description: Fan voltage > 48.1 V (or > 10 V when turned off).
Resolution: Replace the power PCBA. See page 10-31.
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