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Technical Support: +1 (724) 628 3050
SERVICE
ERROR NAME DISPLAY LINE 1 DISPLAY LINE 2 ERROR TRIGGER POSSIBLE CAUSE
Air Switch Air Switch Not
Ready
Closed Before
Request
Safety circuit
is closed or
bypassed before
signaled
Air pressure switch is bypassed, or has
shorted. Air switch safety check occurs
prior to Main Fan startup. Air switch
integrity should be veried.
Circulation Fan Circulation Fan No Proof of Air Voltage not
returning from Air
Switch
Circulation fan is not turning. Investigate
the air tube system for a potential a
break. Verify the VFD is not powered or
in a fault state.
Blower Speed Blower Speed Induct Burner Induction
Blower Motor
speed is <300
RPM
a. Thermal Protection (OTP) is OPEN
(rear of oven). Reset Thermal
Protection.
b. Induction motor has failed.
Conveyor
Belt Jam
Belt Jam Clear Belt /
Retry
Conveyor motor
speed has
dropped 25%
below expected
rate
a. An object is obstructing the belt.
Clear the belt, place oven in
cool-down and then power back
on. May occur at installation due to
shipping vibration. Rotate sprocket
with wrench to relieve pressure from
gearbox.
b. Drive chain(s) were not tensioned
correctly during the last belt
installation. Chains should not
be sagging. Correct the chain
tension.
c. Conveyor belting has relaxed
and requires links to be removed.
If belting linkage can be pulled
together, a row of linkage needs to
be removed. This is normal belting
wear and will be required during the
rst year of use.
System
Temperature
High
System Temp
Protect
Clean/Replace
Filter
Cabinet
temperature is
145°F or greater
Check points:
• 120mm cooling fan lter is blocked.
• Ventilation is poor (hood is not
drawing enough) or not working.
• Incorrect crumb pan positions (solid
pans should be installed on bottom
oven).
• Heat shield not installed between
stacked, oven control cabinets.
• The control system is drawing in hot
air or has hot air diverted towards it.
• Normal cabinet temperatures are
below 110˚F.
RED alarms (or HARD errors) will result in system shutdown, the system will not auto-reset.
TROUBLESHOOTING
G2 CONTROL SYSTEM ALARM MESSAGES (CONTINUED)
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