5-5
5.3 Troubleshooting for Malfunctions or Abnormalities
5.3.1 Troubleshooting
In the event that smoking or burning odors are detected,
immediately terminate operation of the unit and contact your
sales agent outlet or one of JRC branch offices, sales centers or
liaison offices. Never attempt to check or repair the unit.
Continuing operation may cause a fire or an electric shock.
The following is reference information concerning identification of problems.
Symptom Possible Causes Troubleshooting Measures
The power does not
turn on when the
power switch is
pressed.
Power is not being supplied by
the ship junction box.
Check whether the cabling from the
junction box is normal.
Power is not being supplied by
the power supply equipment
(option).
Check whether the power supply unit
cabling is normal (only MID).
The fuse connected to the power
cable has blown.
If there are no problems in the cabling,
replace the fuse.
The power supply equipment
(option) fuse has blown.
If there are no problems in the cabling,
replace the fuse (only MID).
The display unit switch is broken. Consult with JRC or our agents.
The contact is disconnected. Check the connection (only LOG).
The LCD display does
not display anything.
The LCD display is broken.
Consult with JRC or our agents.
The display does not
light up.
The alarm sound is
not generated.
The buzzer is broken. Consult with JRC or our agents.
The alarm sound is turned off. Check the alarm sound setting.
The click does not
sound.
The key press sound is turned
off.
Check the click sound setting
There is no reception
(from sensor).
The sensor connection cable is
disconnected.
Check the connection cable.
The sensor is broken. Consult with JRC or our agents.
There is no
transmission
(to external devices).
Output settings have not been
configured.
Check the interface setting.
The configured channel is
incorrect.
Check the interface setting.
The DISP-DPU or POWER
SUPPLY UNIT is broken.
Consult with JRC or our agents.
The Dimmer are not
interlocked.
The baud rate is different. Check the RS-485 or Daisy-chain bit
rate. (Daisy-chain is only MID.)
The dimmer group is different. Check the dimmer group number
The dimmer is different. Check the dimmer unit.
The cable is disconnected. Check the RS-485 or Daisy-chain
connection. (Daisy-chain is only MID.)
WARNING
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