SmartPlate EV Installation, Operation and Maintenance Manual
APPENDIX A
– MODBUS CONTROL AND COMMUNICATION
OMM-0147_C
• SP-102 • 3/2/2021 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
61
of
72
DIAGNOSTIC ALARMS
DISPLAY
MEANING
WHAT TO DO`
EE.Er
Electrically Erasable Memory
Error:
The value of an
operator, or configuration,
parameter has been
corrupted.
This fault will automatically take you into
Configuration level. Check all of the configuration
parameters before returning to Operator level. Once
in Operator level, check all of the operator
parameters before resuming normal operation. If the
fault persists, or occurs frequently, contact your
supplier
S.br
Sensor Break: Input sensor is
unreliable or the input signal
is out of range.
Check that the sensor is correctly connected
Hw.Er
Hardware Error
Indication that a module is of
the wrong type, missing, or
faulty.
Check to ensure that the correct items are installed.
See page A-4 for procedure to clear the Hardware
Error.
n o . i o
No I/O
None of the expected I/O
items are installed
This error message normally occurs when
pre-configuring a Controller without installing any of
the required I/O modules.
r m t . F
Remote input failure.
The remote DC input is open
or shorted
Check for open or short circuit wiring on the remote
DC input.
L L L L
Out of range low reading
Check the value of the input
H H H H
Out of range high reading
Check the value of the input
E r r 1
Error 1: ROM self-test fail
Return Controller for repair
E r r 2
Error 2: RAM self-test fail
Return Controller for repair
E r r 3
Error 3: Watchdog fail
Return Controller for repair
E r r 4
Error 4: Keyboard failure.
Stuck button or button was
pressed during power-up
Switch power off and then on, without touching any
of the Controller buttons
E r r 5
Error 5: Faulty internal
communication
Check printed circuit board interconnections. If the
fault cannot be cleared, return the Controller for
repair.
E r r 6
Digital filter chip faulty or
loose board inside Controller
Return Controller for repair
E r r 7
PV ID failure
Return Controller for repair
E r r 8
Module 1 ID failure
Faulty or loose module, or isolation problem
E r r 9
Module 2 ID failure
Faulty or loose module, or isolation problem
E r r A
Module 3 ID failure
Faulty or loose module, or isolation problem
d CF
DC output failure
Return Controller for repair
