Thermal Dynamics 35C, Руководство по обслуживанию

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Manual 0-4751 6-5 TROUBLE SHOOTING
6.05 Detailed Fault Finding / Error Indicators
Proble m Che ck / Te st Re comme nde d Action
Air Indicator is on
and or audible
intermitant tone
1 - Check air and electrical connections
to the internal air compressor
2 - Control PCB faulty
3 - Check the compressor relay 1 - If connections are good, return
to an authorized service center for
repair.
2 - Replace the Control PCB
3 - Replace the relay if bad.
Torch doesn't Pilot and
the LD1 LED light on
the Control PCB
is on
1 - Check torch consumables.
2 - Check all air supply related issues
before proceding.
3 - Check LD2 (EN) LED it should get
brighter with the torch trigger
depressed.
4 - Check OCV Voltage. If OCV Voltage
is OK check C/T 1 connection 1 - Replace torch consumables as
needed.
2 - Change air related items as
needed.
3 - If OCV is not OK, follow OCV
check procedures in section 6.04
4 - If CN9 connection is OK, replace
the Control PCB
Torch doesn't Pilot and
the LD1 LED on the
Control PCB is
not on
Check all air supply related issues
before proceding. If there are no air related issues,
replace the Control PCB
"CO" LED on Control
PCB comes on when
not transferring. Check Cable Connection on PCB
(CN10) and Current Sensor. If connection and Current Sensor
are OK, replace the Control PCB
A. Diode Testing Basics
WARNING
There are extremely dangerous voltage and power levels present inside this unit. Do not attempt to diagnose or repair
unless you have had training in power electronics measurement and troubleshooting techniques. Disconnect primary
power at the source before disassembling the power supply, torch, or torch leads. Discharge power at the H/V spark gap
using a metal tipped screw driver as shown:
A r t # A-07116