13
TTL Luftschleieranlagen - Controller UBT2-E
12. Faults
Faulty message
The error message will be generated as a collective fault in the MASTER system when a fault occurs.
Only the faulty fan will be put out of service with regard to Motor overheat .
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Potential-free messages
Function and fault messages are available on the printed circuit board in the form of change-over switches.
Message motor overheat
will be displayed when the temperature control is activated (fan motors). The faulty fan will be put out of ser-
vice. The system must be checked (contact a specialised installation company).
Cancel error message: Press the Mode key (
PGM Mode display). Select the conformation option using the
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selection.
13. Troubleshooting
Error
Display
Possible cause
Solution
System is not working
Display OFF
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No main power supply
Not turned ON
BMS/DDC release fault
Temperature sensor fault
cable broken
Circuit-short
Turn ON main power supply
Turn ON system
see ploint 7
Replace sensor
Replace cable
Resolve circuit-short
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Fan fault
Air intake grill dirty
Air intake grill dirty
Replace fan (see pt. 12)
Clean air intake grill
Clean air intake grill (see pt. 11)
No heating
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Heating is not turned ON
System has overheated
Air intake grill dirty
Turn ON heating (see pt. 7)
Clean air inatke grill
Reset
Clean air intake grill
No function
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Error in data transfer
Reset
The air curtain system must be reset when a fault occurs. Disconnect the power supply from the whole sys-
tem. Wait 10 seconds and again turn on the system (also see point 10)
.
Note: After a main power break the air curtain will reswitch in abandoned operating
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