8 Troubleshooting – Possible faults
148
HDG Compact 99 - 200 - Version 1 - en
©
HDG Bavaria GmbH 07/2008
ES018
Negative pres-
sure control
defective
•
Fault at the frequency con-
verter of the negative pres-
sure control
•
Press the
Acknowledge fault
key
FA033
Power supply
available again
•
Power failure
•
Main switch off
•
Press the
Acknowledge fault
key
FA034
Switching on
•
The system was switched on
•
Press the
Acknowledge fault
key
FA035
Safety chain
missing
•
Relay in control cabinet
faulty
•
Over temperature
•
Low on water
•
Overfilling triggered
•
Fuel bunker door end switch
is disconnected
•
Check relay in control cabi-
net
•
Check for excessive tempera-
ture
•
Check for insufficient water
•
Check for overfilling
•
Check fuel bunker door end
switch
•
Press the
Acknowledge fault
key
FA036
Analogue module
failed
•
Analogue module faulty
•
Analogue module without
power
•
Bus cable disconnected or
not connected properly
•
Check the analogue module
and power supply
•
Check the bus cable
•
Press the
Acknowledge fault
key
FA037
Digital module
failed
•
Digital module faulty
•
Digital module without
power
•
Bus cable disconnected or
not connected properly
•
Check the digital module
and power supply
•
Check the bus cable
•
Press the
Acknowledge fault
key
FA041
Motor protec-
tion triggered
•
Motor incorrectly connected
•
Motor overload
•
Motor is faulty
•
Motor cable faulty
•
Protected switch faulty
•
Check the motor connection
•
Check the drive
•
Check the motor
•
Check the motor cable
•
Press the
Acknowledge fault
key
FA049
Excessive boi-
ler temperature
•
Supply temperature has
exceeded 95°C
•
Relay in control cabinet
faulty
•
Connection cable faulty
•
STB faulty
•
Let the boiler cool down
•
Check the relay
•
Check the connection cable
•
Check STB
•
Check the electrical connec-
tion
•
Press the
Acknowledge fault
key
No.
Fault
Cause
Remedy
Table 8/1 - Faults (continuation)
