PAT DS 50 Troubleshooting Manual page 46

DS50 TROUBLE SHOOTING MANUAL
11. ERROR CODE MESSAGES
Error Code Error
E2 4
E2 5
E3 1
TSM DS 50-003/REV.B/031-300-190-003/12-02-96
Load cell channel
voltage is higher then
the maximum limit.
Angle channel voltage
is higher then the
maximum limit.
Error in the Eprom
(system part)
Cause
Cable leading from the
central unit to the load cell is
defective or moisture in the
connector.
Load cell defective.
Analog channel on main
board defective.
Angle sensor or electronic
component defective on
main board.
.
The Eprom on the main
board is defective.
46
LEVEL 3
Remedy
If the cable or connector is
damaged replace connector
or load cell. Refer to
troubleshooting manual.
Follow the instruction in the
troubleshooting manual and
use the test unit to identify
clearly a load cell defect. If in
doubt contact the PAT
service support. In the event
of a load cell defect replace
load cell referring to the
troubleshooting manual and
the crane service
documentation.
Warning: Support the hoist
drum while replacing the
load cell.
Identify clearly a main board
defect by referring to the
troubleshooting manual. If in
doubt contact PAT service
support. Replace main board
or central unit and transfer
E-Eprom data. Load test
system after.
Replace main board or
central unit and transfer E-
Eprom data. Load test
system after.
Follow the instruction in the
troubleshooting manual and
replace the Eprom which is
plugged into the Eprom
socket on the main board.
Refer to the Eprom label to
affirm the same Eprom
version. Function and load
test the system after.