What to do if mains supply line L2 is missing on HDG Compact 25?
If mains supply line L2 is missing in your HDG Heating System, it could be due to a faulty mains fuse or a faulty mains supply line. Have the fault fixed by a qualified electrician.
What causes 'Supply temp. HC1 open circuit' error on HDG Compact 25?
If there is a 'Supply temp. HC1 open circuit' error on your HDG Heating System, the sensor may not be connected or the sensor may be faulty. Have the fault fixed by a qualified electrician.
What does 'Supply temp. HC1 short circuit' mean on HDG Compact 25 Heating System?
If there is a 'Supply temp. HC1 short circuit' error on your HDG Heating System, there may be a short circuit in the sensor or cable, or both sensor connections may be joined in a single terminal. Have the fault fixed by a qualified electrician.
What to do if software is not compatible with hardware on HDG Compact 25?
If the software is not compatible with the hardware in your HDG Heating System, it means that the software is not compatible with this hardware. Use a new software and notify HDG customer service.
How to unlock 'Safety circuit Low on water' on HDG Compact 25 Heating System?
To solve 'Safety circuit Low on water' on your HDG Heating System: Unlock insufficient water cutout, acknowledge fault with main switch off/on, and check plug on circuit board 22 /23.
General| Brand | HDG |
|---|---|
| Model | Compact 25 |
| Category | Heating System |
| Language | English |
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