IDEAL VOGUE SYSTEM S15 Installation And Servicing page 64

83 Ret URn tH e RMiSto R fAU lt
Disconnect the electrical connection to the
Return Thermistor and check the resistance
using a suitable multimeter connected across the
At 25°C expect 9,700 - 10,300 Ω
At 60°C expect 2,400 - 2,600 Ω
At 85°C expect 1,000 - 1,100 Ω
Is there continuity in the wiring from the primary PCB to
the Thermistor? (6 way connector, connections 3 and
84 fA n fAU lt
Does the wiring from the Fan to the PCB have
secure connections at both ends and has not
Is there 230Vac at the blue and brown connections to
the 3 way connection on the Fan?
85 l o W WAte R PRe SSURe
Are the boiler and CH system filled with water and
all Isolation and Radiator Valves open?
Does the wiring from the Water Pressure Sensor to the
PCB have continuity and is it securely connected?
Replace Water Pressure Sensor
86 n o W Ate R f lo W
Are the boiler and CH system filled with water and
all Isolation and Radiator Valves open?
Does the mains wiring from the Pump to the main PCB
have continuity and is it securely connected (3 way
64
fAUlt
thermistor's terminal pins.
Is the thermistor value correct?
Yes
4, black and red)
deteriorated?
Yes
Yes
Yes
Yes
connector x 1C)?
Yes
Is there 230V to the Pump
Yes
Replace Pump
f indinG
No
Fit a new thermistor
No
Replace wiring from flow thermistor to
primary PCB
Yes
Replace primary PCB
No
Rectify wiring & connections
No
Replace main PCB
Yes
Replace Fan
No
Fill and vent the system and open
all Isolation Valves
No
Ensure wiring has continuity and is
securely connected
No
Fill and vent the system and open all
Isolation Valves
No
Ensure wiring has continuity and is
securely connected
No
Replace Main PCB
vogue system boiler -
Installation and Servicing