Unox ChefTop 5 Series User Manual

- Alarm messages:
When a condition arises which
prevents the appliance from
operating at all, an ALARM signal is
displayed and the appliance must be
switched to its STOP status.
- Oven Alarms
2. Control Board – Alarms (Series 5)
OVEN
78
DISPLAY DESCRIPTION EFFECT POSSIBLE CAUSES SOLUTIONS
AF01
Motor thermal
protection Alarm
OVEN STOP
Thermal protection intervention Replace motor
Disconnected wires Check motor wires
Damaged power card Replace power card
Motor's overheating
Oven installation and positon
checks
AF02
Safety thermostat
Alarm
OVEN STOP
Chamber temperature overheating
(over 320°C)
Check possible causes (contactors
melting, wrong measuring
chamber )
Safety thermostat wires
disconnected
Replace safety thermostat
Damaged power card Replace power card
AF03
Temperature probes
Alarm
OVEN STOP
Both temperature probes are
damaged or not connected
Connect or replace both
temperature probes
Damaged power card Replace power card
AF04
Loss of communication
control card - power
card Alarm
OVEN STOP
Power card - control card cable
interrupted or not connected
properly
Check and/or replace the cable
which connect the control panel to
the power card
Damaged control card Replace control card
Damaged power card Replace power card
High electrical disturbances
(magnetic field)
Reset the main power supply to
the oven
AF05
Loss of communication
with GAS card Alarm
OVEN STOP
Net cable gas card -
power card oven
disconnected or interrupted
Check and/or replace the cable
which connect the gas card to the
power card
Damaged gas card Replace gas card
Broken gas card fuse Replace gas card fuse
Damaged power card Replace power card
NGS parameter of oven power card
set as 1
Set the NGS parameter as 0
Damaged control card Replace control card
AF06
Gas exhaust smokes
temperature Alarm
OVEN STOP
Outlet gas exhaust temperature over
620°C
Check possible causes
Gas exhaust probe damaged Replace gas exhaust probe
Gas card damaged Replace gas card
AF10
Wrong settings of
indispensable
parameters on the
EEPROM
OVEN STOP
Damaged power card Replace power card
Wrong settings on EEPROM
parameters
Reset control card parameter
(LMP)

Unox ChefTop 5 Series Specifications

General

Brand	Unox
Model	ChefTop 5 Series
Category	Oven
Language	English