Appendix; A Eliminating Faults - Vaillant miniVED VED H 3/3 Operating Instructions Manual

Appendix

A Eliminating faults

Fault Possible cause
Despite the water The power supply to the
tap at the draw- product has been inter-
off point being rupted.
fully opened, the
The flow regulator in the
product does not
water tap at the draw-off
start.
point is calcified or dirty.
The water inlet is interrup-
ted.
10
Troubleshooting
Check the circuit breaker (fuse) and, if required,
switch it on.
Clean and/or descale the flow regulator or, if
required, replace it.
Purge the product and the cold water supply
pipe.
Operating instructions 0020323584_00