Table 5 Troubleshooting Chart - Curtis 1352 Manual

8 — DIAGNOSTICS & TROUBLESHOOTING
CODE FAULT
Fast
Corrupt Code
Internal code in
Red
memory is corrupt.
LED
Internal Fault
11 Critical circuits or
software detected.
EEPROM Fault
12 EEPROM did not
properly write, or
Checksum did not
match.
Overvoltage
21 Battery over limit.
Limit = (Nominal
Battery * 1.25) + 5V.
Undervoltage
22 Battery under limit. Battery under limit.
The limit is based Limit = (Nominal
Battery * 0.70) - 5V.
upon the Nominal
Battery setting.
1. If nominal
2. If nominal
Overtemp
23 Heatsink over
allowed temperature.
Undertemp
24 Heatsink below
allowed temperature.
Driver 1 Fault
31 Driver is in over-
Driver 2 Fault current (>3.5 amps).
32
Driver 3 Fault
33
Driver 4 Fault
34
Driver 5 Fault
35
Driver 6 Fault
36
Driver 1 Fault
41 Driver output pin
Driver 2 Fault is low when driver
42
is Off. This implies
Driver 3 Fault
43
the pin has been
Driver 4 Fault
44
left open.
Driver 5 Fault
45
Driver 6 Fault
46
PDO Timeout
51 PDO from master
not received within
the time-out period.
SDO Fault
52 SDO attempted to
be set out of range,
or is Read Only, or
is not present.
CAN Bus Fault
53 Too many CAN bus
errors detected.
32

Table 5 TROUBLESHOOTING CHART

DESCRIPTION
eXm is shut down.
software detected.
eXm in Stopped
state.
eXm in Stopped
state & all drivers
disabled.
All drivers disabled.
All drivers disabled.
> 26.6 volts,
Undervoltage is
fixed at 11.4 V.
≤ 26.6 volts,
Undervoltage is
fixed at 8.0 V.
All drivers disabled.
All drivers disabled.
Driver disabled.
Driver not functional. Driver output pin is
All drivers disabled.
SDO aborted
message sent.
eXm in Stopped
state.
EFFECT CAUSE(S)
Faulty memory chip.
ESD or EMI glitch.
ESD or EMI glitch
during a write.
Battery overcharged
or regen.
Battery discharged or
drooping.
Ambient temperature
too hot, or poor heat
sinking.
Ambient temperature
too cold.
Driver pin is shorted
to B+, or load is
shorted.
disconnected, or the
load is open.
Master has died, or
CAN bus cable loose.
Master has tried to
access a non-valid
SDO.
Noise on the CAN
bus, loose connection,
or poor termination.
RECOVERY
Requires repair or new
software download.
NMT Reset Bus
received, or cycle power.
May need to reload or
store defaults. See note
following table.
Battery returns to
normal range for >1 sec.
Battery returns to
normal range for >1 sec.
Temperature returns to
normal range (<95°C).
Temperature returns to
normal range (>-50°C).
Send a 0% PDO
command to the faulted
driver.
Driver pin is reconnected.
New PDOs received
within proper timing.
Automatically cleared.
NMT received, or bus
reception & transmission
restored.
Curtis 1352 eXm Manual,
Rev. D