HDG Pelletmaster 15 - Page 160

8 Troubleshooting – Possible faults
160
F027 Checksum fault,
parameters to
factory defaults
• Fault in the control EPROM, all
parameters will be reset to
factory defaults
• Have the fault fixed by a
heating engineer
F028 Check cleaning • Mechanical error in cleaning
system
• Sensor not applicable
• Have the fault fixed by a
heating engineer
F029 Open circuit on
input for
insufficient
water
• Fuse for insufficient water is
incorrectly connected
• Input for insufficient water is
not bridged
• Have the fault fixed by a
qualified electrician
F030 Open circuit on
bunker door
switch
• Door limit switch is
incorrectly connected
• Have the fault fixed by a
qualified electrician
F031 ADC fault
Boiler circuit
board
• Analogue to digital converter
on central unit is faulty
• Have the fault fixed by a
qualified electrician
F032 Fault
0-throughput
• 0-throughput detector on
central unit faulty
• Have the fault fixed by a
qualified electrician
F033 RAM fault
Buffer battery
• Buffer battery on central unit
is faulty
• Have the fault fixed by a
qualified electrician
F035 Heating circuit
module 0
is not connected
• Power supply has failed
• Bus cable is not connected
• Bus cable is incorrectly
connected
• Check the power supply
• Have the fault fixed by a
qualified electrician
F040 Supply temp.
CCT1 open
circuit
• Sensor not connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
F041 Supply temp.
CCT1 short
circuit
• Short circuit in sensor or in
cable
• Both sensor connections
joined in a single terminal
• Have the fault fixed by a
qualified electrician
F042 Supply temp.
CCT2 open
circuit
• Sensor not connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
F043 Supply temp.
CCT2 short
circuit
• Short circuit in sensor or in
cable
• Both sensor connections
joined in a single terminal
• Have the fault fixed by a
qualified electrician
F044 Supply temp.
CCT3 open
circuit
• Sensor not connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
No. Fault Cause Remedy
Table 8/1 - Faults (continuation)