Siemens LMV51 Series Basic Documentation page 227

Error Diagnostic Device
code code
03
87 ABE
88 # All
01
88 SA
02
88 LC
03
88 ABE
04
88 VDS module Fault Feedback VSD Module
05
88 O2M
90 --- SA
91 --- SA
92 --- SA
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Fault Feedback AZL5... No feedback for max. number
Plausibility fault NMT
Fault Feedback Actuator Undefined fault class of SA
Fault Feedback Load Controller Undefined fault class of LC
Fault Feedback AZL Undefined fault class of AZL
Undefined fault class of VSD module
Fault Feedback O2 Module Undefined fault class of O2 module
Fault Feedback Aux Actuator 3 Basic unit has detected a ROM-CRC er-
ror on the air actuator when checking its
feedback signal
Fault Feedback Air Actuator Basic unit has detected a ROM-CRC er-
ror on the air actuator when checking its
feedback signal
Fault Feedback Gas (Oil) Actuator Basic unit has detected a ROM-CRC er-
ror on the gas actuator when checking its
feedback signal
Meaning for the LMV5x system Troubleshooting
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective AZL...(see diag-
nostic code) or basic unit
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
Check CAN cabling and terminators as specified
If fault occurs sporadically: Improve EMC
If fault occurs constantly: Replace defective actuator
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CC1P7550en
13.08.2004