Error 105 - Maintenance message

What does 105 mean?

The user interface displays '105: Maintenance message'. This indicates a general maintenance alert, often a reminder for scheduled service or a non-critical operational issue. This error typically triggers an automatic reset.

• Scheduled maintenance reminder based on operating hours or time interval.
• Non-critical system anomaly detected that may require attention.
• System operating outside optimal parameters for a prolonged period.

Click steps to track your progress.

1. 1

   Review the system's operational parameters in the user interface for any abnormal readings.

2. 2

   Check for any other accompanying messages or warnings that might provide more detail.

3. 3

   Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.

4. 4

   Consider scheduling routine maintenance for your heat pump system if the message persists.