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Due to continuous product research and development,
the information contained herein is subject to change without notice.
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Error Codes
Error codes are displayed on the oven interface� They are displayed to protect the oven and assist in fault diagnosis�
When a error code is displayed, the oven’s automatic response will try to rectify the error� If the error persists:
1� Record the error code
2� Disconnect/isolate the oven from power supply
3� Contact the Stoddart Service Department
Error
Code
Description
Trigger
Possible cause
Automatic Oven Response
Error
Level
D1
Door open too
long�
The oven door is kept open for
60s in preheating/cooking/idle
mode�
1� Oven door left open�
2� Failed micro switch�
Error code displays, speaker sounds�
Warning
M1
Abnormal motor
current�
The motor current detected by
power board is > upper limit�
1� Hot air leak to motor�
2� Motor failure�
Motor and heating elements power off,
error code displays, speaker sounds
until back to normal�
Critical
H1
Preheating
process too long�
The warm up process takes
more than 10 minutes for the
oven cavity to reach 150°C�
1� Heater failure�
2� Motor failure�
3� Thermocouple error�
Motor and heating elements power off,
error code displays, speaker sounds
until back to normal�
Critical
H2
Cavity
temperature too
high�
The system detects oven
cavity temperature > 315°C
for 15 seconds�
1� Faulty IR control�
2� Cavity fire�
Heating elements power off, motor
runs at max speed, error code
displays, speaker sounds until back to
normal�
Critical
H3
Ambient over
heat�
The ambient temperature
measured on control board or
power board is >70°C�
1� Cooling fan fails�
2� Inlet air too hot�
3� Inlet air filter blocked�
Motor and heating elements power off,
error code displays, speaker sounds
until back to normal�
Critical
S1
Cavity sensor
error�
Controller reading an
open circuit across the
thermocouple input�
1� Thermocouple not connected�
2� Thermocouple broken�
3� Failed control board�
Motor and heating elements power off,
error code displays, speaker sounds
until back to normal�
Critical
P1
Abnormal
incoming power�
Power voltage is not within
(200V-10%, 240V+10%) for
30 seconds�
1� Power surge�
2� Power Shortage�
Motor and heaters power off, error
code displays, speaker sounds�
Warning
C1
Communication
error�
No communication can be
made between power board
and control board�
1� Problematic power board/
control board�
Motor and heating elements power off,
error code displays, speaker sounds
until back to normal�
Critical
--
Unable to operate
the display
screen�
No communication can be
made between power board
and control board�
Power board failure�
The display shows a blank screen�
Critical
Operation
