TTL Touch - Malfunctions and Troubleshooting; Fault Visualization

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TTL Air curtain systems - control and automation panel type Touch
12. Malfunctions
12.1 Fault visualization
Warnings and malfunction are signalized either directly as fault message or can recognized in info menue.
Malfunctions leads to adeactivation of unit and have to be acknowledged and cancelled by RESET. Warnings, e.g.
frost alart, can lead and switchover into special operational states (e.g. OFF ) or can deled by itself.
Fault number requirement action reset requirements display
E401 NTC sensor
heating
exchanger to
warm
fans OFF until
temperature
dropped again
self deleting „E401: heat exchanger to warm“
E402 NTC sensor
heating ex-
changer to cold
fans OFF until
temperature
increased again
self deleting „E401: heat exchanger to cold“
E501 NTC sensor
wasser
unlogical value:
< -20 °C or >
120 °C
unit in
fault mode
RESET „Fault sensor water: E501“
E502 NTC sensor
air
unlogical value:
< -20 °C or >
80 °C
unit in
fault mode
RESET „Fault sensor air: E502“
E504 NTC sensor
IR (infrared)
unlogical value:
< -20 °C
or > 80 °C
unit in
fault mode
RESET „Fault sensor IR analog: E504“
E509 NTC sensor
PCB (room
sensor)
unlogical value:
< -20 °C
or > 80 °C
unit in
fault mode
RESET „Fault sensor PCB: E509“