Troubleshooting - GEM 0326 Operating Instructions Manual

13 Troubleshooting

13 Troubleshooting
Error
The pilot solenoid valve doesn't open or
doesn't open fully
The pilot solenoid valve doesn't close or
doesn't close fully
The pilot solenoid valve does not control
correctly
GEMÜ 0326
Error cause
Power supply not OK
Return spring faulty
Dirt in the valve body
Manual override activated
Medium pressure too low / too high
Connections leaking
16 / 20
Troubleshooting
Сheck power supply and connection, see
product label
Replace the pilot solenoid valve
Clean or replace valve body
Unlock the manual override as described
in "Manual override (optional)"
Check medium pressure (see "Technical
data")
Check the connections (see "Installation")
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