Merrychef eikon e4s - Manual (Page 46)

46 Service & Parts Manual original Instructions
Part Number 32Z3871 US
Issue 3
FA
UL
T FINDING
22 ERROR CODES DISPLAYED
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 incorrect
current
Detects a heating
element is not
working correctly
The current
measured by
the sensing
transformer on
the SRB was <1A
when heating
cycled on or >1A
when heating
cycled off .
If some current
>1A, one or more
heater elements
could have
failed. If current
measured <1A
possible wiring
fault stopping
power reaching
element.
Critical
Display error
message until
system is
power cycled.
E 103
Ambient overheat
>70°C
Detects if the controls
area is operating
above temperature
The ambient
temperature
measured on the
QTS and SRB was
>70°C
Cooling fan failed.
Cooling fan
wired incorrectly.
Inlet air too hot.
Blocked inlet
fi 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
fi lter.
Critical
Display error
message until
service call and
the magnetron
cools down or
the cavity stat
is reset.
E 105
Supply Frequency
high / low
Detects if the power
supply Frequency is
outside specifi cation
The power
supply to the
oven Frequency
sensor on the
SRB measures
too high / low Incorrect
mains voltage.
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 fi 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 QTS and
SRB Loss of
communication
between the SBR
and QTS
SRB / QTS
connection cable
unplugged or
damaged. Faulty
QTS or SRB.
Critical
Display error
message until
system is
power cycled.
E 108 QTS PM error
Wrong PM found / no
PM found
The QTS or SRB
either has an
incorrect PM
(Personality
Module) fi tted or
no PM is fi tted
The PM has been
changed and is
incorrect. The
PM has been
removed.
Critical
Display error
message until
system is
power cycled.