©
HDG Bavaria GmbH 07/2008
HDG Compact 99 - 200 - Version 1 - en
8 Troubleshooting – Procedure
147
8 Troubleshooting
If a fault occurs in the heating system, the
Acknowledge fault
key fla-
shes and the fault is shown in the display. Faults can be fixed as fol-
lows.
8.1 Procedure
1.
Look for the displayed fault's cause and remedy in Table 8/1 -
Faults.
2.
Fix the fault, or have it fixed.
✓
The
Acknowledge fault
key lights up.
3.
Acknowledge the fault with the
Acknowledge fault
key.
4.
For faults which affect
safety
, switch the main switch off and back
on again after waiting 10 seconds.
✓
The fault message is no longer shown in the display.
✓
The fault is fixed.
8.2 Possible faults
Possible fault and warning messages are divided into three catego-
ries:
ES
: Emergency stop
FA
: Fault
WA
: Warning
No.
Fault
Cause
Remedy
ES001
Emergency stop
•
Emergency stop switch was
pressed
•
Emergency stop switch was
not connected properly or is
not connected
•
Unlock emergency stop
switch and confirm with the
Acknowledge fault
key
•
Check the electrical connec-
tion
ES017
Overpressure in
the combustion
chamber
•
Overpressure in the combus-
tion chamber
•
Heat exchanger contamina-
ted
•
Clean heat exchanger
•
Press the
Acknowledge fault
key
Table 8/1 - Faults
