Troubleshooting - Honeywell D15S Einbauanleitung Und Betriebsanleitung

11. Troubleshooting

Problem
Water is escaping from the spring
bonnet
Too little or no water pressure
MU1H-1049GE23 R0117
GB
Cause
Diaphragm is faulty
Spring bonnet not screwed flush
O-ring forgotten in the diaphragm piston
during assembly
Shutoff valves up- or downstream of the
pressure reducing valve are not fully open
Pressure reducing valve is not set to the
desired outlet pressure
Pressure reducing valve is not fitted in flow
direction
10
Remedy
Replace diaphragm
Retighten the screws
Insert O-ring
Open the shutoff valves fully
Set outlet pressure
Fit pressure reducing valve in flow direction
(note direction of arrow on housing)
Honeywell GmbH