Specifications

48
Service & Parts Manual original Instructions
Part Number 32Z3839 GB
Issue 5
Service & Parts Manual original Instructions
Part Number 32Z3839 GB
Issue 5
49
FAULT FINDING
FAULT FINDING
Error
Code
Error Condition Description Trigger Possible Causes
Error
Level
System
Response
E 101
Magnetron failed
to energise
Detects a magnetron
is not working
correctly
The current
measured by the
current sensing
transformer
was outside of
tolerance.
Failure of
component/s in
the microwave
circuit
Critical
Display error
message until
system is
power cycled.
E 102
Heater on without
request
Heater is on when
not requested to be
on
element current
sensed at
>1 Amp
Triac, Diode
or relay short
circuited on SRB
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 103
Ambient overheat
>70°C
Detects if the controls
area is operating
above temperature
The ambient
temperature
measured on the
BTS and SRB was
>70°C
Cooling fan failed.
Cooling fan
wired incorrectly.
Inlet air too hot.
Blocked inlet
lter.
Critical
Display error
message
until ambient
controls area
temperature is
below 60°C
E 104
Magnetron /
Cavity Overheat
Detects if the cavity
and magnetrons are
above temperature
Cavity and
magnetron
overheat
thermostats
Cooling fan failed.
E103 / E106 not
triggering. Failed
SRB. Magnetron
failure. Wiring /
connection fault.
Blocked Inlet
lter.
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 105
Supply voltage
high / low
Detects if the power
supply frequency is
outside specication
The power
supply to the
oven voltage
sensor on the
SRB measures
too high / low
Incorrect mains
frequency.
Poor internal /
external wiring
connections.
Faulty SRB.
Critical
Display error
message until
system power
cycled.
E 106
Cavity reaches
25°C above
setpoint once
it has been
controlling at
setpoint
Detects if the cavity
temperature has risen
above limits
The setpoint of
the oven was
exceeded
Cavity re. Failed
convection fan.
No impeller or
loose impeller on
convection fan.
Critical
Display error
message until
system is
power cycled.
E 107
Communication
error
No communication
can be made
between the BTS and
SRB
Loss of
communication
between the SBR
and BTS
SRB / BTS
connection cable
unplugged or
damaged. Faulty
BTS or SRB.
Critical
Display error
message until
system is
power cycled.
E 108 BTS PM error
Wrong PM found / no
PM found
The BTS or SRB
either has an
incorrect PM
(Personality
Module) tted or
no PM is tted
The PM has been
changed and is
incorrect. The
PM has been
removed.
Critical
Display error
message until
system is
power cycled.
Error
Code
Error Condition Description Trigger Possible Causes
Error
Level
System
Response
E 109 SRB PM error
Wrong PM found / no
PM found
The BTS or SRB
either has an
incorrect PM
(Personality
Module) tted or
no PM is tted
The PM has been
changed and is
incorrect. The
PM has been
removed.
Critical
Display error
message until
system is
power cycled.
E 110
SRB version
conict
SRB rmware version
incompatible with
BTS version
The BTS has
found that
the rmware
running the SRB
is not supported.
Firmware update
has been carried
out to the BTS
and the SRB has
not been updated
to match.
Critical
Display error
message until
system is
power cycled.
E 111
Cavity sensor
error
Cavity sensor broken
/ unplugged
The controller is
reading an open
circuit across the
thermocouple
input
The
thermocouple
is not
connected. The
thermocouple
is broken open
circuit. Failed SRB.
Critical
Display error
message until
system is
power cycled.
E 112 SRB Sensor Fail
SRB Ambient
temperature sensor
failure
Shorted SRB
Temperature
sensor
Shorted Ambient
temp sensor on
the SRB
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 113
Magnetron Fail On
without request
Magnetron operates
without being
requested to do so.
Magnetron
current sensed
at >1 Amp
Triac, Diode
or relay short
circuited on SRB
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 116
Heater o on
request
No heater current
detected when
requested
Cavity does not
reach 100°C in
30mins
Oven heater
element failure
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 117
Magnetron
Overheat stat
Mag overheat stat
has been triggered as
a result of excessive
temperature
Magnetron stat
is open circuit
when running
microwave
Blocked air
lters/High
environmental
temperatures/
Positioning next
to heat sources or
failed magnetron
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
Error
Code
Error Condition Description Trigger Possible Causes
Error
Level
System
Response
N/A
Oven door open
longer than 1 min.
Oven door open.
Oven inoperable.
Break in
switched feed
on SRB
Door left open.
Failed door
switch/s or SRB.
Faulty wiring or
connection.
Warning
Display
warning
message until
door is closed.