User Manual
Version 1.0 17
10.5 Alarm Codes.
NO.
Alarm code
Describe
1
AH
High temperature alarm
2
AL
Low temperature alarm
3
AUF
Power failure alarm
During a power failure or fault a battery will activate allowing the display to continue, the
power failure alarm displays
‘AUF’ and the current inside temperature will cycle on the
display.
After 8 hours, the display blanks.
The power failure alarm light will illuminate continuously until the battery is fully
recharged.
10.6 Error Display
NO.
Alarm code
Describe
1
AD1S
Temperature controller fault
2
AS1S
Temperature sensor fault
If the temperature sensor alarm occurs,
switch ‘OFF’ the power and check the
connecting wire of the sensor.
