TurboChef HIGH H BATCH 2, Service Manual

Page: 41 / 82

DIAGNOSING
AN
ISSUE
23
Fault Codes: Descriptions, Clearing
Instructions, and Troubleshooting
To help in troubleshooting, this section contains
information on
£
Fault codes: descriptions, clearing instructions,
and troubleshooting
£
Status indicators
£
Testing options
The High h Batch 2 oven continually monitors
and logs fault conditions. For instructions on
viewing the fault log, see page 26.
The fault log:
£
Logs each fault up to 255 instances before roll-
ing back to zero.
£
Increments when a fault is detected and retains
a count even if the fault message is cleared.
Reference Figure 25 (below) to determine when a
fault can occur.
F1: BLOWER (Blower Running Status Bad)
This fault will display when the blower motor
speed controller (BMSC) indicates no running
status. The oven responds to this fault by
terminating a cook cycle 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 blower motor may
restart successfully on its own.
2. Test the blower motor in Test Mode (page 26).
Troubleshooting this fault:
To troubleshoot an F1 Fault, see the diagram
on page 28.
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 29.
Fault Code and When Active Refer to
Description
Warm-up Ready to Cook Cool Down Off State
F1: Blower Running Status Bad* x x x x Page 28
F2: Cook Temperature Low* x x Page 29
F6: EC Temperature High x x x x Page 30
F7: Thermocouple Open x x x Page 30
F8: Heat Low x x Page 31
*Will terminate a Cook Cycle upon discovery.
Figure 25: Fault Code Description Table