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SECTION 5: TROUBLESHOOTING
13
FIGURE 9: System Control Troubleshooting Chart
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
Tro ubleshoot ends.
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
Does the pump turn off
following post purge period?
No
Ye s
Do the burners turn off
when the thermostat is
satisfied?
No
Ye s
Rectify.
Do the burners in the
zone come on?
No
Has the system been
commissioned?
No
Ye s
Is external wiring to the
zone OK?
Ye s
No
Refer to burner trouble-
shooting in either the
CORAYVAC
®
or
VANTAGE
®
NP
Installation, Operation and
Service Manuals.
Refer to the burner start up
instructions in either the CORAYVAC
®
or VANTAG E
®
NP Installation, Operation
and Service Manuals.
Do the incorrect zone
lights or all zone
lights come on?
Ye s
No
Are the zone thermostats
wired correctly?
No
Ye s
Rectify.
Is external wiring to the
pressure switch OK?
Ye s
No
Rectify.
Rectify.
Ye s
No
Is the correct contactor
selected for the
pump?
Adjust thermostat set
point to call for heat.
Does the pump
come on?
No
Ye s
Does the zone light
come on?
Ye s
No
No
Ye s
Ye s
No
Is external wiring to the
pump OK?
Fit the correct contactor.
Is the thermostat connected
to the correct terminal at the
system control.
Ye s
Replace fuse with
P/N 10000212.
Is the line power
indicator on?
Check the power supply
to the system control
panel. Is it on?
Ye s
Ye s
Check the 250mA
fuse. Is it OK?
Ye s
No
No
Rectify power supply
problem.
No
No
Does the pressure switch
light come on?
Refer to burner trouble-
shooting in either the
CORAYVAC
®
or
VANTAGE
®
NP
Installation, Operation and
Service Manuals.
Refer to burner trouble-
shooting in either the
CORAYVAC
®
or
VANTAGE
®
NP
Installation, Operation and
Service Manuals.
Turn off power and correct
wiring.
Ye s
Contact
Roberts-Gordon LLC
at www.rg-inc.com.
If control is not working properly, disconnect power to control and check for signs
of physical damage to the front and back of the circuit board, water damage (cor-
rosion) or scorching. If damage is found, identify and rectify source of
damage. Replace circuit board (P/N 10090101), if it has permanent damage.