What, if…
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5
What, if…
This Section summarises the status and error messages and provides help in eliminating
errors.
If malfunctions occur please check first
• that the power supply and
• compressed-air supply are functioning correctly, and
• whether there is mechanical damage to the device or supply lines (power supply,
compressed air).
If you nd any mechanical damage, the device may in no circumstances be started up
again. Have it checked and repaired by a qualified service agent.
5.1
Status and error messages in the display
Indication
Cause
Action
OFF
The controller is switched off
Switch on (4)
---
• The measured value to be
displayed is greater than 999
or less than -99
• Parameter adjustment is
locked
F1H, F2H
Sensor breakage (disruption) F1: Replace sensor
F2: Repair of device needed
F1L, F2L
Sensor fault, short circuit
Average temperature LED
flashes
Target value reduction after
prolonged period of non-use
Actuate trigger
IAC
Temperature limiter is active
Switch off device or change to Standby and
allow to cool down
SER
Service case occurred
Have the device checked by a qualified
service agent.
5.2
Troubleshooting
Fault
Possible cause
Remedy
see Section
Nozzle goes on dripping
Nozzle valve partially
obstructed or damaged
Clean or replace nozzle end
6.2
Too little or no melt is
discharged
Operating pressure too low
Increase operating pressure
(max. 6 bar)
4.2
Compressed-air supply
disconnected
Check copressed-air supply
Nozzle system clogged
Clean or replace cone nozzle
and if necessary nozzle end
6.2, 6.3
Stock temperature too low
Raise temperature
3.4.1
Compressed air escapes
from closure cap (10)
Insufficient cover pressure
Increase cover pressure
6.4
Gasket dirty
Clean selaing faces
6.2
Cartridge is damaged
Replace cartridge
4.1
Compressed air escapes
from service unit
Connections not airtight
Tighten or replace gaskets
GB
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