Azbil AUD300C1000 User Manual

15
Chapter 5. TROUBLESHOOTING
WARNING
Before removing, mounting, or wiring this device, be sure to turn off the power to
the device and all connected devices. Failure to do so may cause electric shock.
Do not touch terminals F or G on this device or on the burner controller imme-
diately after the power to the burner controller has been turned OFF. There is a
danger of elec
tric shock because terminals F and G retain a charge for up to 1
minute after the power has been turned off.
CAUTION
Mounting, wiring, inspection, adjustment, maintenance etc., should be carried
out by a trained and experienced technician with knowledge and technical
skills related to combustion equipment and flame safeguard control devices.
 Required items
• Analog flame meter FSP136A100
•
Maintenance/optional parts (P.2)
 Troubleshooting procedure
(1) Check the following operating conditions.
Item What to Check
Supply power Is the power switch ON?
Are power terminal screws loose?
Is the voltage within the allowable range?
Wiring Do wires go to the right terminals?
Is there a broken wire?
Is there deteriorated or damaged insulation?
Ambient temperature Check that the temperature is +100°C or less. (up to 120°C during flame detection)
Ambient humidity Is the ambient humidity no higher than 90% RH?
Is there condensation inside the device?
(2) Check the device according to the flowchart below.
Adjust the monitoring
position and/or burner.
Flame voltage
check*
1
Normal
Zero
OK
Flame voltage
check*
1
OK
NG
Low
Replace shutter unit.*
4
Check wiring / replace
burner controller.
Replace tube unit.*
4
Check wiring / replace
burner controller.
NG
OK
No (closed)
Yes (open)
Remove the tube unit.
• Clean monitoring window.
• Clean inside monitoring pipe.
Normal
Does
shutter open when
burner controller power
is ON?
Check
voltage betw. terminals
F and G.*
2
NG
OK
Check
shutter voltage.*
3
*1. 2.0VDC or more is normal. *2. 160–220VDC is normal. *3. Fluctuation between 0V and 15–24VDC is normal.
*4. When replacing the tube unit, replace the shutter unit also. When replacing the shutter unit, replace the tube unit also.

Azbil AUD300C1000 Specifications

General

Brand	Azbil
Model	AUD300C1000
Category	Security Sensors
Language	English