Danfoss PVED-CLS User Manual page 144

ENGINEERING TOMORROW
Category SPN Signal Name
CAN messages 520228 WAS CAN sensor
Vehicle speed triggered EH-
Safety
520203 steering shut-off (Safety
Functions
function 3)
Safety
520204 EH-main spool monitoring
Functions
Safety Fault Detection Algorithm
520205
Functions Monitoring
Safety
520206 Safe ON-Road Monitoring
Functions
Safety Road switch resistance
520207
Functions monitoring
Safety
520208 Demanded safe state
Functions
Diagnostic
520210 Cut-off solenoid
functions
Diagnostic
299023 Coils Supply Switch
functions
Diagnostic
520211 Overvoltage supervisor
functions
Internal
520582 +5V
Hardware
Internal
298967 CAN bus
Hardware
Internal
299029 EEPROM
Hardware
Internal
520212 LVDT sinus signal
Hardware
Internal
520585 Vref generation
Hardware
Internal
520586 GND level
Hardware
Internal
520588 LVDT demod A
Hardware
Internal
520589 LVDT demod B
Hardware
144 | © Danfoss | August 2018
Failure mode FMI
never received (boot-up
22 - Message missing
timeout)
message lost (timeout) 9 - Abnormal update rate
invalid CRC or message 19 - Received network data in
sequence error
2 - Data erratic, intermittent or
invalid position value
incorrect
Signal exceeded calibration
13 - Out of calibration
limit
Vehicle speed too high 31 - Condition exists
EH spool position greater 7 - Mechanical system not
than set-point responding or out of adjustment
EH spool moved without
23 - Unintended Steering
steering input
Not in neutral at startup 28 - Not in neutral at Power-up
Unintended steering 23 - Unintended Steering
Switch stuck closed 30 - Stuck Closed
2 - Data erratic, intermittent or
Switch state undefined
incorrect
Switch state missing 22 - Message missing
Switch state crosscheck
25 - Signal crosscheck failed
failed
2 - Data erratic, intermittent or
Switch state undefined
incorrect
Switch state missing 22 - Message missing
Switch state crosscheck
25 - Signal crosscheck failed
failed
externally triggered safe state 31 - Condition exists
unable to supply pilot flow to
30 - Stuck Closed
PVED
unable to cut pilot flow to
29 - Stuck Open
PVED
19 - Received network data in
Synchronization failed
error
12 - Bad intelligent device or
Self-test failed
component
Safety switch state not in 2 - Data erratic, intermittent or
sync with operation incorrect
19 - Received network data in
Synchronization failed
error
12 - Bad intelligent device or
Self-test failed
component
19 - Received network data in
Synchronization failed
error
2 - Data erratic, intermittent or
+5V signal out of range
incorrect
19 - Received network data in
CAN bus off and recovered
error
Address arbitration lost 11 - Unknown root-cause
Internal CAN Rx buffer 12 - Bad intelligent device or
overflow component
0 - Data valid, but above normal
Internal CAN Tx buffer
operational range - Most severe
overflow for CAN priority 3
level
(safety related messages)
Internal CAN Tx buffer 15 - Data valid, but above normal
overflow for CAN priority 6 operating range - Least severe
(status messages) level
Verified write fails on 12 - Bad intelligent device or
EEPROM cell component
LVDT sinus frequency out of 8 - Abnormal frequency or pulse
range width or period
2 - Data erratic, intermittent or
Vref signal out of range
incorrect
3 - Voltage above normal or short-
GND level above upper limit
circuit to high source
LVDT demo A signal out of 2 - Data erratic, intermittent or
range incorrect
LVDT demo B signal out of 2 - Data erratic, intermittent or
range incorrect
Severity Possible root cause(s)
1. WAS Not powered
Severe 2. WAS CAN Bus not connected
3. Incorrect parameter setting of WAS source address or PGN
1. WAS lost CAN bus or power connection
Severe
2. Wrong message timing
1. CAN bus disturbance
Severe
2. Incorrect WAS message implementation
Severe 1. WAS data out of range
1. Wheel angle sensors are not calibrated properly.
2. Vehicle geometry has changed and it is now possible to steer the wheels
Severe
further than the calibrated max points.
3. Mechanical link integrity lost
Severe 1. Vehicle speed is higher than the specified threshold specified by P3253
1. EH-Spool out of control
Severe
1. SASA disconnected from OSPCX in EHPS system
Severe
Severe 1. EH-Spool not in neutral at startup
1. Improper sensor parameter setup
2. Chock valves have been open
3. Wheel angle sensor detached
Severe
4. SASAIID sensor detached from steering column
5. Improper calibration of wheel angles
6. Change in spool calibration values
1. Road switch relay failure (relay is not able to disconnect load)
Severe
1. AD3 Road switch signal in undefined range
Severe
1. AD3 Road switch signal not able to stabilize within valid range during
Severe
initialization
If P3072 = 255:
1. Internal failure
Severe
If P3072 = 0 & P3242 = 255:
1. Mismatch in Road switch states between DOUT resistance and AD3
voltage signal
Severe 1. DOUT Resistance in invalid range
1. DOUT Resistance not able to stabilize within valid range during
Severe
initialization
1. Mismatch in Road switch states between DOUT resistance and AD3
Severe
voltage signal
1. Controller forced to safe state by peer controller via SPI. This happens for
Severe example when one of the controllers detects a failure, which the other
controller is not capable of detecting
1. No/insufficient Pump pressure
Severe
Severe 1. Internal hydraulic failure in OSPE/EHi
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
1. CAN bus disturbance
Severe 2. No/insufficient termination on the CAN bus network
3. Shortcut or wire breakage on CAN bus wire
Severe 1. Address conflict on the CAN bus
Severe 2. Excessive number of messages intended for PVED CLS
Severe 3. Excessive number of Priority 3 messages
INFO 4. Excessive number of Priority 6 messages
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
Severe Internal failure
AQ00000211