Benchmark 27i System Compact Installation, Commissioning And Servicing Instructions page 69

RESETTING THE TEST COMPONENT
After completing the test:
▶ Press the button, the value 1 will flash.
ok
▶ Press the arrow button, the value will change to a flashing 0.
▶ Press to confirm the change, a
ok
eco
°C
reset ok
°F
t01
e
max
t01
eco
reset ok
°F
t01
e
max
t01
eco
°C
reset ok
°F
Test 1
e
max
t01
Fig. 126 Resetting test
Greenstar i System Compact ErP - 6 720 813 280 (2015/07)
will displayed for 3 seconds.
2
1 1 3
0 4
bar
1.
min max
°C
°F
2
1 1 3
0 bar 4
1.
min max
°C
°F
2
1 1 3
0 bar 4
1.
min max
°C
°F
Test
t1 Igniter test.
Checking the igniter
spark.
t2 Fan test.
Checking the basic fan
operation.
t3 Pump test.
Checking the basic
pump operation.
t4 Three way valve test*.
Test the operation of
the diverter valve.
t6 Ionisation oscillator
test.
Tests the flame
detection circuit.
* Only available when the optional integral diverter valve kit is installed.
Table 34 Test menu
FAULT FINDING AND DIAGNOSIS
The igniter will spark for a maximum
of 30 seconds. The spark will be
audible if the igniter is OK.
The fan will run for a maximum of 30
seconds.
If the fan is OK then the fan will be
heard running.
The pump will run for a maximum of
30 seconds.
If the pump is OK then the pump will
be heard running.
When 1 is selected via the test menu
the diverter valve will move to the
DHW position. When 0 is selected
the valve will move to CH position.
Ionisation circuit is switched on.
Approximately 150 Volts a.c. can be
measured between the ionisation
probe and earth.
69