AHT VENTO GREEN, Supplement To Operating Instructions

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1.4 | Display and acknowledge alarm AHT Cooling Systems GmbH | en
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Error
code
Meaning Meaning (EN)
On Failsafe On Failsafe
HW failure or Mod-
bus flashing
HW failure or Modbus
flashing
Air in sensor Air in sensor
Air out sensor Air out sensor
Fin sensor Fin sensor
Discharge pressure
sensor
Discharge pressure
sensor
Compressor safety
(High pressure/Low
pressure)
Compressor safety
(High pressure/Low
pressure)
Cabinet temperature
sensor (HACCP)
Cabinet temperature
sensor (HACCP)
Low supply voltage Low supply voltage
Battery defective Battery defective
Class B software Class B software
EEPROM (controller
defective)
EEPROM (controller
defective)
High cabinet temper-
ature
High cabinet temper-
ature
Low cabinet temper-
ature
Low cabinet temperat-
ure
Low control temper-
ature
Low control temperat-
ure
High control temper-
ature
High control temperat-
ure
Defrost terminated by
time
Defrost terminated by
time
SD card defective SD card defective
Bus alarm Bus alarm
Configuration Configuration
Acknowledge alarm
Acknowledge
acoustic alarm
Press .
The error code cannot be acknowledged. It is dis-
played until the error is rectified.