Cause : Device clean comes when warning generated by an on time timer. This is a programmable warning and reset by parameter.

Programmable warnings:

• 33.14 On-time 1 warn message.
• 33.24 On-time 2 warn message.

Check the auxiliary code. Check the source of the warning corresponding to the code:

• 0: 33.13 On-time 1 source.
• 1: 33.23 On-time 2 source.
• 10: 5.4 Main fan on-time counter.