Alarm list and troubleshooting
Giesen W6A Coffee Roaster - Version 1.0 40
13.0 Alarm list and troubleshooting
When in doubt other have a different problem with your roaster contact us on
support@giesen.eu or call the support telephone number: +31 (0)315 74 50 55.
TABLE 3. Alarm list / Troubleshooting
Display text Meaning Solution
Emergency stop Emergency stop pressed
Pull the emergency stop
button and push the
blue reset button.
Thermal overload
Drum
Thermal overload on drum:
102F1.1 reports an alarm.
Press the blue reset
button.
Thermal overload
Stirrer
Thermal overload on stirrer: 102F3
reports an alarm.
Press the blue reset
button.
Burner failure Burner failure.
Press the on-screen
triangle for 5 seconds to
reset the machine.
PT100 Air
temperature
The air temperature reading is
lower than -10 °C/ 14 °F or higher
than 400 °C/752 °F, indicating a
wiring problem or PT100 problem.
Contact Giesen support.
PT100 Bean
temperature
The bean temperature reading is
lower than -10 °C/ 14 °F or higher
than 400 °C/752 °F, indicating a
wiring problem or PT100 problem.
Contact Giesen support.
Drum pressure low
Drum pressure low indicates that
the value (0,6mBar) for the Dungs
is not reached.
Check if all doors and
valves are closed and if
the chimney is clean.
Roasting fan
Invertor
The controller received too much
power / the motor asked for too
much power.
Check if fuse 101F1 is in
the right position.
Drum invertor
The controller received too much
power / the motor asked for too
much power.
Check if fuse 101F1 is in
the right position.
Fan speed too high The exhaust fan is running >80%.
Check if all doors and
valves are closed.
PT100 Environment
The environment temperature
reading is lower than -100C or
higher than 400C, indicating a
wiring problem or PT100 problem.
Check if the Siemens
underpressure reader is
still connected.
Cooling fan invertor
104U1
Controller got too much power /
motor asked for too much power.
Check if fuse 101F1 is in
the right position.
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