10
x
Faults and malfunctions
10.4 Rectifying burner malfunctions and STB
malfunctions
Locking faults detected by the firing unit can only be released
manually directly on the boiler.
Unlocking the firing unit:
Requirements: The cause of the malfunction has been rectified,
the burner is connected to the electrical system.
1. Switch on the ROTEX GCU compact.
2. Push the Exit button (fig. 6-1, item 13) for at least 5 s.
Menu
"Special Level"
is displayed.
3. Use the rotary switch to select the
"FA failure"
level.
Fault code and "Reset?" request is displayed.
4. Select "n.a." with the rotary switch.
5. Confirm the changes with a brief push of the rotary switch.
Fault is reset.
6. Cancellation and jump back by pushing the Exit button again.
10.5 Emergency operation
Emergency heating operation can be maintained if the electronic
controller settings are incorrect, . This is done by activating the
"
Manual Operation
" special function on the controller (see en-
closed "ROTEX controller RoCon BF" operating instructions).
When the 3-way valves are intact the ROTEX GCU compact
switches to heating operation. The required inflow temperature
can be adjusted with the rotary switch.
WARNING!
Risk of burns from very hot boiler body for STB malfunction.
●
Do no let any metallic parts come into contact with the boiler.
●
Let the boiler cool down.
●
Wear protective gloves.
The cause of the last fault is saved in the device and
can be reconstructed, even after power failure, on
restarting the device.
Summary of Contents for GCU compact 315
Page 81: ...13 x Notes 13 Notes...
Page 82: ...13 x Notes...
