Switch The Door Heating On And Off; Display And Acknowledge Alarm - AHT KINLEY XL Serie Manual De Instrucciones

2.1.1.4 | Switch the door heating on and off

4. – Apply new input: Wait 5 seconds.
The display shows "---".
5.
– Switch on cooling function again. Press
at least 1 s.
The current temperature is shown on the dis-
play.
Assign bus address for subsequent units:
– Repeat steps 1 to 5 on each device and set a free
bus address.
When the cooling function is switched off, the door
heating automatically switches off as well.
After switching on the cooling function, the door heat-
ing must therefore be switched on again (see →
Switch the door heating on and off).
2.1.1.4 Switch the door heating on and off
Press
Deactivate key lock
same time and hold for 5 s.
(access level 1):
"unL" appears on the display.
Level 1 is activated.
briefly press
Switching on the
or
door heating:
display.
Switching off the briefly press
door heating:
or

2.1.1.5 Display and acknowledge alarm

Display alarm
The error code is displayed alternately with the cur-
rent temperature until the fault has been rectified.
The symbol appears on the display.
Optionally, an acoustic alarm can be emitted by
means of a built-in buzzer.
For troubleshooting measures in the event of alarm in-
dications see →Faults in operation.
Error code
F1
F2
F4
A90
E20
E21
E43
E60
E70
E75 Overtemperature electronics
E80
E92 Compressor fault due to E75
E93
E95 Frequency outside tolerance
Err No communication with display
tst
10 / 108
and at the
or . The
icon is shown in the
or . The
icon is unlit in the display.
Meaning
Sensor fault F1
Sensor fault F2
Sensor fault F4
Time/date fault
Overtemperature alarm
Overtemperature on F4
Undertemperature alarm
Temperature logger alarm
Electronics fault
Compressor fault
Voltage outside tolerance
Electronics in test mode
Acknowledge alarm
for
Deactivate key lock
(access level 1):
Acknowledge error
code and acoustic
alarm (device-
specific):
Briefly calling up an
error code:
AHT Cooling Systems GmbH | en
Press and
same time and hold for 5 s.
"unL" appears on the display.
Level 1 is activated.
Press briefly.
The current temperature and
the symbol are shown on
the display.
The symbol appears until
the fault has been eliminated.
Press briefly.
Error code is displayed for
approx. 5 s. Then the display
shows the current temperature
again.
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