Grohe 37 018 Manuel D'installation page 7

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Problem
Cause
Valve does not close
Jet is clogged
Gasket at relief cone is clogged or
damaged
Washer of piston is damaged
Flush time too short
Leather washer is defective or dried out
Wrong adjustment
Water emerges below operating cap
Diaphragm is defective
Flow rate too low or too strong
Flow pressure too low or too strong
Do not lubricate internal parts of the flush valve
Remedy Figure
clean 16
clean or exchange 19
exchange 17
exchange or widen it 15+18
check 24
exchange 20+21
adjust 23
2