Remedy
- Provide for a sufficient cooling of the device.
- Clean fan and ventilation slots.
- If required, replace fan.
Cause
The heatsink temperature of the power unit (display in 0x2D84:001 (P117.01)) has exceeded the warning threshold set in 0x2D84:002.
- Ambient temperature too high.
- Fan or ventilation slots are polluted.
- Fan is defective.
Description
PU overtemperature warning
Keypad display
Warn.PU Overtemp
Fault message ID
17029
Severity/response
Warning