Device Display Meaning for the LMV5x System Corrective Action
60 Timeout during calibrate_ADC
61 Timeout during read_conversion
62 Timeout during calibrate_ADC
63 Fault during RedInv reading from A/D converter
64 Fault internal A/D converter
65 Gain register has been changed
66 Offset register has been changed
67 Too great / small gain for self-calibration of A/D converter
68 Too great / small offset for self-calibration of A/D converter
69 Fault internal A/D converter
6A Fault during PWM test
6B Faulty reference voltage
6C Fault transmitter power supply
6D Fault analog output, voltage deviation too great
6E Fault during resistance test PT100 input (X60)
6F Fault during diode test PT100 input
70 Measured value varies too much: PT100 sensor (terminal X60)
71 Measured value varies too much: PT100 line (terminal X60)
72 Measured value varies too much: PT1000 (terminal X60)
73 Measured value varies too much: PWM
74
Measured value varies too much: Voltage measurement input 2
75
Measured value varies too much: Current measurement input 2
76
Measured value varies too much: Voltage measurement input 3
77
Measured value varies too much: Current measurement input 3
78
Excessive voltage value or wrong polarity PT100 sensor
79
Excessive voltage value or wrong polarity PT100 line (terminal
7A
Excessive voltage value or wrong polarity PT1000 (terminal
7B Excessive voltage value or wrong polarity PWM
7C
Excessive voltage value or wrong polarity voltage
measurement input 2 (terminal X61)
Fault with Base Unit (LMV5) Internal Load Controller
Fault with Sensors Connected to Internal Load Controller, in Base Unit (LMV5)
LMV5
Load
Module
Internal Fault
Load Controller
If fault occurs sporadically, reduce electrical noise.
If fault occurs continuously, replace LMV5.
A6
A6
LMV5
Load
Module
Internal Fault
Load Controller
1) Check wiring and sensor. Re-wire or replace sensors
if necessary.
2) Use shielded cable on sensor wiring.
3) Make sure that sensor wiring is not run next to high
voltage AC wiring.
4) If the diagnostic code indicates excessive voltage,
check input with meter. Trace voltage source.
Section 7 Page 46 SCC Inc.
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