Electra LEX 25 DCI Service Manual page 98

No Fault Name
18 No communication A
Compressor- Ilegal
19
Speed
System Configuration
20
Changed
System Configuration
21
Problem
Heat sink Over
22 Heating Fault/
Protection
23 Deicing Protection
Compressor Over
24
Heating Protection
System over power
25
Protection
26 Bad EEPROM
27 Not Configured
28 Bad Communication
SM LEXDCI 1-E.1 GB
Probable Cause
No signals in line A
Exceeds speed low limit
Communication lines changed
from last operation
Miss-match between the IDUs
connected to port A,B,C or D,
or the total capacity code of
IDUs is higher than the ODU
maximum capacity code
Compressor stopped due to
heatsink protection
During deicing procedure
Compressor stopped due to
over heat protection
Compressor stopped due to
over power protection
EEPROM not operating
Cannot start the control
Bad communication lines
CONTENTS
TROUBLESHOOTING
Corrective Action
Check communication
See # 13
No problem just an
announcement
Change configuration if
needed.
Check that the airflow around
the ODU is free and the fan is
running free. Check fan motor
(0)
No action required
Check if gas is missing in the
system
No action required
Power reset. (Replace
Controller just in case you need
EEPROM).
Power reset. Replace
Controller if didn't help
See # 18-21
13-15