Event Code 857
SAS (Safety Reverse Switch) Mismatch
There is a mismatch in the SAS CAN message and the
hardwired SAS.
Note: Possible effects of this event code are:
M1 is not operational.
The line contactor is open.
BRK is not releasing.
POT is not operational.
M2 is not operational.
Step 1: Check the condition of FU3 (this provides
power to the X10 handle).
If FU3 is bad.
Then repair or replace as necessary.
If FU3 is OK.
Then proceed to Step 2.
Step 2: Check the wiring from the positive signal to
CA205-3 and BNEG to CA205-2 for opens or shorts.
If the wiring is open or shorted.
Then repair or replace as necessary.
If the wiring is OK.
Then proceed to Step 3.
Step 3: Using the handset, scroll down to the Monitor
menu. From there, scroll to the Switch Inputs menu and
then to the SAS-Emergency Reverse CAN menu.
Check if the input to ACCESS 3 is toggling when
depressed. Then scroll to the SAS-Emergency
Reverse Redundant menu and check if the input to
ACCESS 3 is toggling when depressed.
If the SAS-Emergency Reverse CAN menu is not
toggling.
Then check the wiring in the X10 handle and repair
or replace as necessary.
If the SAS-Emergency Reverse Redundant menu is
not toggling.
Then check the wiring from ACCESS 3
(CA201-24) to CA205-6 and repair or replace as
necessary.
If the menus are toggling and the event code continues.
Then replace ACCESS 3.