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13 Troubleshooting
Error
The pilot solenoid valve does not open or
does not open fully
The pilot solenoid valve does not close or
does not close fully
The pilot solenoid valve does not control
correctly
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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
15 / 19
13 Troubleshooting
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")
GEMÜ 0326
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