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78
Troubleshooting
McDonald's Intelligap Grills
160121
Model C835 and C845 Gas Zones Only
PROBLEM
PROBABLE CAUSE
REMEDY
The heater is not heating or is
heating too slowly. The display
reads “CALL FOR SERVICE - NO
HEAT IN ZONE XX.” (Zone ID)
This error message displays when
there is a call for heat but no
temperature rise in 4 minutes.
Upper Platen: The power cord is
loose or partially unplugged at the
wall receptacle.
Check the plug receptacle and
reset the connection.
Lower plate: The combustion ratio
of the burner is out of adjustment.
Measure the CO/CO2 with the
combustion meter and adjust per
combustion meter instructions.
The display reads “BLOWER
FAILURE”.
The blower is faulty.
Replace the blower.
The IDC or the relay is faulty.
Replace the IDC or the relay.
The pressure switch is faulty.
Replace the switch.
The burner will not light. The
display reads “IGNITION
FAILURE”.
The quick disconnect gas hose is
not fully engaged.
Re‐engage the quick disconnect.
The manual shutoff valve is in the
OFF position.
Turn it to the ON position.
The gas regulator is adjusted
incorrectly.
Correct the gas pressure.
Air is in the gas hose.
Wait 5 minutes before relighting.
The air adjustment is incorrect.
Adjust the air flow.
The processor control is faulty.
Replace the control.
The Ignition Detection Control
(IDC) is faulty.
Replace the control.
The pressure switch is faulty.
Replace the pressure switch.
The flue restrictors are open too
wide.
The flue restrictors should be open
only 1/2” ‐ 3/4” (13 ‐ 19 mm).
The gas solenoid is faulty.
Replace the solenoid.
The electrode is faulty.
Replace the electrode.
The interface board is faulty.
Replace the interface board.
The burner lights but will not
remain lit.
The electrode is faulty.
Replace the electrode. Clean and
adjust.
The gas/air ratio is incorrect.
Readjust the air shutter.
Improper ground.
Check ground connections.
The IDC is faulty.
Replace the IDC.
The flue restrictors are open too
wide.
The flue restrictors should be open
only 1/2” ‐ 3/4” (13 ‐ 19 mm).
L1 and Neutral are reversed on the
control power.
Reverse the L1 and Neutral.
The pressure switch is faulty.
Replace the pressure switch.
Summary of Contents for C832
Page 2: ......
Page 27: ...21 McDonald s Intelligap Grills Controls and Systems Control Overview Figure 12 ...
Page 95: ...89 McDonald s Intelligap Grills Troubleshooting 8 Phase Test Motor 2 9 Phase Test Motor 3 ...
Page 97: ...91 McDonald s Intelligap Grills Troubleshooting 130925 Probe Open Troubleshooting Chart ...
Page 98: ...92 Troubleshooting McDonald s Intelligap Grills 130925 Probe Fail Troubleshooting Chart ...
Page 102: ...96 Troubleshooting McDonald s Intelligap Grills Notes ...
Page 105: ...99 McDonald s Intelligap Grills Parts Notes ...
Page 106: ...100 Parts McDonald s Intelligap Grills C832 Exploded View Figure 55 ...
Page 108: ...102 Parts McDonald s Intelligap Grills C834 Exploded View Figure 56 ...
Page 110: ...104 Parts McDonald s Intelligap Grills 150721 C835 Exploded View Figure 57 ...
Page 112: ...106 Parts McDonald s Intelligap Grills 140423 C836 Exploded View Figure 58 ...
Page 114: ...108 Parts McDonald s Intelligap Grills 150218 C838 Exploded View Figure 59 ...
Page 116: ...110 Parts McDonald s Intelligap Grills 150721 C842 Exploded View Figure 60 ...
Page 118: ...112 Parts McDonald s Intelligap Grills C844 Exploded View Figure 61 ...
Page 120: ...114 Parts McDonald s Intelligap Grills 150721 C845 Exploded View Figure 62 ...
Page 122: ...116 Parts McDonald s Intelligap Grills Control A Box X72514 12 C832 60 Hz Figure 63 ...
Page 124: ...118 Parts McDonald s Intelligap Grills Control A Box X72514 40 C832 50 Hz Figure 64 ...
Page 126: ...120 Parts McDonald s Intelligap Grills Control A Box X73133 12 C835 60 Hz Figure 65 ...
Page 128: ...122 Parts McDonald s Intelligap Grills Control A Box X73133 40 C835 50 Hz Figure 66 ...
Page 136: ...130 Parts McDonald s Intelligap Grills Control A Upper X73384 12 C845 60 Hz Figure 73 ...
Page 138: ...132 Parts McDonald s Intelligap Grills Control A Upper X73696 40 C845 50 Hz Figure 74 ...