Troubleshooting - OJ Electronics GreenZone Module M Instruktionen

OJ GreenZone™ Module M
2006/95/EC
December 2006 on the harmonization of the laws of Member States relating to electrical
equipment designed for use within certain voltage limits.
Applied standards
EN 60730-1

TROUBLESHOOTING

Symptom
OJ GreenZone™
Module M inoperative
– no light in display
No communication
to OJ GreenZone™
Module M
Display shows "9"
Display shows "9"
LOW VOLTAGE DIRECTIVE / Council Directive 2006/95/EC of 12
2000 / Automatic electrical controls for household and similar use
Part 1: General requirements.
Cause
No power
Defective OJ GreenZone™
Module M
Poor or no connection in
Modbus cable
Incorrect connection of
Modbus cable
Defective OJ GreenZone™
Module M
OJ GreenZone™
Module M has not yet
received information on
section number from OJ
GreenZone™ Master
Poor or no connection in
Modbus cable
Defective OJ GreenZone™
Master
Defective OJ GreenZone™
Module M
© 2017 OJ Electronics A/S
Action
Check that there is 24 VAC on entry terminals
1 and 2 and exit terminals 3 and 4.
If there is no voltage on exit terminals 3 and 4,
the components supplied from these terminals
(3 and 4) have either short-circuited or are
overloaded.
Replace OJ GreenZone™ Module M.
Check Modbus cable.
Configuration of Modbus cable and connector
is shown in figs 6 and 7.
Repair or replace defective Modbus cable.
Check that the Modbus communication cable
is connected to the "Modbus in" connector
and looped to the next OJ GreenZone™
Module M from the "Modbus out" connector.
(See figs 4, 5 and 13.)
Replace OJ GreenZone™ Module M.
Wait until OJ GreenZone™ Master
has allocated a section number to OJ
GreenZone™ Module M.
Check Modbus cable.
Configuration of Modbus cable and connector
is shown in figs 6 and 7.
Repair or replace defective Modbus cable.
Replace OJ GreenZone™ Master.
Replace OJ GreenZone™ Module M.
English / Instruction
13