Fault Codes: Descriptions, Clearing Instructions; And Troubleshooting; F1: Blower (Blower Running Status Bad); F2: Low Temp (Cook Temperature Low) - TurboChef HHB-8028 Service Manual

To help in troubleshooting,
information on

Fault Codes: Descriptions, Clearing Instructions,

and Troubleshooting

Control Display and Key Identification
Oven States and Menu Access
Status Indicators
Testing Options
FAULT CODES: DESCRIPTIONS, CLEARING
INSTRUCTIONS, AND TROUBLESHOOTING
The High h Batch oven continually monitors and
logs fault conditions. For instructions on viewing
the Fault Log, see page 24.
The Fault Log
Logs each fault up to 255 instances before
rolling back to zero.
Increments when a fault is detected, but does
not decrement when the fault is cleared (whether
through service or some other action).
Reference Figure 23 (below) to determine when
(i.e., which oven state) a fault can occur.

F1: BLOWER (Blower Running Status Bad)

This fault will display when the Blower Motor
Controller indicates no running status. The oven
responds to this fault by terminating a Cook Cycle
FAULT CODE AND
DESCRIPTION
F1: Blower Running Status Bad*
F2: Cook Temperature Low*
F6: EC Temperature High
F7: Thermocouple Open
F8: Heat Low
*Will terminate a Cook Cycle upon discovery.
Fault Code Description Table
this section contains
WHEN ACTIVE
Warm-up Ready to Cook
x
x
x
x
and/or reverting to the Off State. The oven will
automatically attempt to restart every 2 seconds
until the fault is cleared.
To clear this fault:
1. Turn the oven on. The Control System may be
able to successfully restart the Blower Motor.
2. Test the Blower Motor from the Test Mode
Menu (for instructions, see page 24).
Troubleshooting this fault:
To troubleshoot an F1 Fault, see the diagram
on page 18.
F2: LOW TMP (Cook Temperature Low)
This fault will display if the Cook Chamber
temperature is more than 84°F (47ºC) below the
set temperature after 5 seconds into a Cook Cycle.
To clear this fault:
Try cooking again. If the Cook Chamber
temperature is within 84°F (47ºC) of the set
temperature, the fault will clear.
Troubleshooting: F2 Fault
To troubleshoot an F2 Fault, see the diagram
on page 19.
Cool Down
x x
x
x x
x
DIAGNOSING AN ISSUE
REFER TO
Off State
x Page 17
x Page 17
x Page 20
x Page 20
x Page 20
17