29
SIENA
Digital electronic water heater
12. Troubleshooting
WARNING
- Disconnect electric supply before removing any electrical equipment cover.
FAULT
POSSIBLE CAUSE
REMEDY
No hot water
1. Mains supply off.
2. Strainer in pressure
reducing valve blocked.
3. Pressure reducing valve
incorrectly fitted.
1. Open stopcock.
2. Turn water supply off,
remove strainer and clean.
3. Re-fit correctly.
Water from hot
taps is cold
1. Programmer if fitted is not
switched on.
2. High limit thermostat has
tripped.
1. Switch on the programmer.
2. Check and re-set.
Intermittent water
discharge through
tundish on warm-
up
1. Expansion vessel has lost
its charge pressure.
1. Turn off stopcock, open
a hot water tap, check
vessel charge pressure and
recharge
Continuous water
discharge
1. Pressure reducing valve not
working.
2. Expansion relief valve not
seating correctly.
3. Temperature and pressure
relief valve not seating
correctly.
1. Check pressure from
pressure reducing valve
if greater than 0.3 MPa
replace cartridge.
2. Manually lift the valve once
or twice to clear any debris
from the seat otherwise
replace valve.
13. Rointe Product Guarantee
In this section, we hereby describe the guarantee conditions, which the buyer acquires, on buying this
product from ROINTE. These conditions comply with all the rights construed in the national legislation
in force, as well as any additional rights and guarantees, which are offered by ROINTE.
Any incident that you might detect in your ROINTE product can be sorted by the product seller or
quickly by the manufacturer. Please contact ROINTE by
telephoning 0203 321 5929
for Technical
Support. Alternatively, you can
email ROINTE at [email protected]
, through which we will instruct
you on how to solve the incident.
