EGK 2A Ex
Problem / Malfunction
Possible cause
Action
Reduced gas flow rate
– Gas circuit clogged
– Remove and clean or replace heat ex-
changer per chapter Replacing the starting
capacitor
– Heat exchanger iced over
– Remove and send in cooler
Protective device is
triggering
– Coil- and terminal short circuit
– Measure insulation resistance
– Start-up time exceeded
– Check start-up requirements
– Starting capacitor defective
– Check capacitor and replace if necessary
(see chapter Replacing the starting capa-
citor)
Error Messages in the Display
The display alternates between the temperature and error message
Error 01
– Interruption
– Temperature sensor failure: Send in cooler
Error 02
– Short circuit
– Temperature sensor failure: Send in cooler
Tab. 1:
Troubleshooting
For additional information, see chapter
8.2 Safety instructions
– The device must be operated within its specifications.
– All repairs must be carried out by Bühler authorised personnel only.
– Only perform modifications, servicing or mounting described in this manual.
– Only use original spare parts.
DANGER
Electrical voltage
Electrocution hazard.
a) Disconnect the device from power supply.
b) Make sure that the equipment cannot be reconnected to mains unintentionally.
c) The device must be opened by trained staff only.
d) Regard correct mains voltage.
DANGER
Toxic, corrosive gas/condensate
Sample gas/condensate may be hazardous to health.
a) If necessary, ensure a safe gas/condensate discharge.
b) Always disconnect the gas supply when performing maintenance or repairs.
c) Protect yourself from toxic/corrosive gasses/condensate when performing mainten-
ance. Wear appropriate protective equipment.
25
Bühler Technologies GmbH
BE450020 ◦ 01/2020
