Device clean warning

What does A88C mean?

A warning generated by an on-time timer, indicating that device cleaning or maintenance may be due. An auxiliary code in the event log will specify the exact source of the timer.

• Programmable warning set by 33.14 On-time 1 warning select or 33.24 On-time 2 warning select.
• The source of the warning corresponds to: 33.13 On-time 1 source (aux code 0), 33.23 On-time 2 source (aux code 1), or 05.04 Fan on-time counter (aux code 10).
• Accumulated run-time of a component (e.g., cooling fan) has exceeded its programmed cleaning/maintenance interval.

Click steps to track your progress.

1. 1

   Check the event log for the specific auxiliary code associated with the A88C warning.

2. 2

   Identify the source of the warning by cross-referencing the auxiliary code with parameters 33.13, 33.23, or 05.04.

3. 3

   If the source is 05.04 Fan on-time counter, check the actual fan run time and visually inspect cooling fans and heat sinks for dirt or dust.

4. 4

   Perform necessary maintenance actions (e.g., cleaning cooling fins, air filters, or replacing fans) as indicated by the specific source.

5. 5

   Reset the associated on-time counter or timer after maintenance is performed.