
34
Models C819 & C821
Troubleshooting Guide
PROBLEM
PROBABLE CAUSE
REMEDY
16. The display reads “HOME
SWITCH NOT SEEN.”
a. Defective motor control.
a. Call a service technician.
b. Defective stepper motor.
b. Call a service technician.
c. Defective stepper motor wire
harness.
c. Call a service technician.
d. Defective Home switch.
d. Call a service technician.
e. Broken platen cable.
e. Call a service technician.
GAS ZONES ONLY
PROBLEM
PROBABLE CAUSE
REMEDY
1. The display reads “BLOWER
FAILURE”.
a. The blower is faulty.
a. Call a service technician.
b. The pressure switch is faulty.
b. Call a service technician.
2. The burner will not light. The
display reads “IGNITION
FAILURE”.
a. The quick disconnect gas hose
is not fully engaged.
a. Re-engage the quick
disconnect.
b. The manual shutoff valve is in
the OFF position.
b. Turn the valve to the ON
position.
c. Air is in the gas hose.
c. Wait 5 minutes before
relighting.
d. The processor control is faulty.
d. Call a service technician.
e. The spark ignition module is
faulty.
e. Call a service technician.
f. The gas solenoid is faulty.
f. Call a service technician.
g. The electrode is faulty.
g. Call a service technician.
h. The interface board is faulty.
h. Call a service technician.
3. The burner lights but will not
stay lit.
a. The electrode is faulty.
a. Call a service technician.
b. Improper ground.
b. Call a service technician.
4. The burner lights but the zone
is cool or overheats.
a. The grill is out of calibration.
a. Call a service technician.
b. The processor control is faulty.
b. Call a service technician.
c. The thermocouple is faulty.
c. Call a service technician.
Summary of Contents for C819
Page 48: ...C819 073814 23 9 11 ...
Page 49: ...C821 069842 23 9 11 ...