Ariston GENUS 41-116-01 Service Manual page 22

1) Check for air in the
system
2) Check the pressure switch
for activating pump
3) Check/replace pressure
gauge and refill the
the system properly
1) Turn the boiler off
and then back on
again (safety reset)
22
Supplied By www.heating spares.co Tel. 0161 620 6677
A
DOES THE
CIRCULATION PUMP
COME ON?
YES
DOES THE
INSUFFICIENT WATER
YES
INDICATOR LIGHT COME
ON? (within
40 sec.)
NO
B
NO
POWER TO
NO
THE PUMP?
YES
1) Check to see if pump is
stuck
2) Replace circulation pump
1) Check
wiring
2) Check/replace
wire to P.C.B.
3) Replace
power supply
P.C.B.
4) Replace control
P.C.B.
5) Check micro-
switch when hot
water is requested.
B005