SmartPlate Installation, Operation & Maintenance Manual
APPENDIX A
– MODBUS CONTROL AND COMMUNICATION
OMM-0069_0H
• SP-100 • 1/30/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
103
of
134
DIAGNOSTIC ALARMS
DISPLAY
MEANING
WHAT TO DO`
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
O P E n
Secondary Input Missing or
Disconnected
This error may result from no power to the flow
meter (check for green power light on rear of
meter or 0-5V flowmeter signal connections), or a
disconnection of the Molex connector between
feedforward sensor and the Eurotherm controller.
A3.1. Clearing Hardware Error (Hw.Er) Display
To clear a Hardware Error and reset the Temperature Controller, proceed as follows:
CLEARING HARDWARE ERROR Display Instructions
1. Display flashes Hw.Er after adding or removing comm. bd.
2. Simultaneously press the Page (
) and Scroll (
) buttons on the Temperature
Controller.
3.
Using the Up (▲) arrow button, change the password to “8”.
4. Simultaneously press the Page (
) and Scroll (
) buttons again and observe the
Temperature Controller display. The top line will display “8” and the bottom line will display
“NO”.
5.
Press the Up (▲) arrow button to toggle the display from “NO” to “YES”.
6. Simultaneously press the
Page
(
) and
Scroll
(
) buttons to “Reset” the
Temperature Controller and clear the Hardware Error.
