Publicité
5-3. Troubleshooting Help Aids
Front Panel Error
Output LED Status
Indication
Normal
On, unless in remote tig
Inverter problem, Primary
Blink
or Secondary
Under Voltage, Over Volt-
Blink 2x
age or Bus Imbalance
Wait for unit to cool
Off
Thermistor problem
Off
5-4. Troubleshooting
Trouble
No weld output; unit completely inop-
erative.
No weld output.
Erratic or improper weld output.
No 24 volts ac output at Remote 14 re-
ceptacle.
1
2
High Temperature
LED Status
Off
Off
Off
On
Blink
Place line disconnect switch in On position (see Section 3-4).
Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-4).
Check for proper input power connections (see Section 3-4).
If using remote control, be sure mode switch is in a position that provides output control at Remote
14 receptacle (see Section 4-2 as applicable).
Input voltage outside acceptable range of variation (see Section 3-4).
Check, repair, or replace remote control.
Unit overheated. Allow unit to cool with fan On (see Section 2-2).
Use proper size and type of weld cable (see Section 3-2).
Clean and tighten all weld connections.
Reset circuit breaker CB1 (see Section 3-4).
1
Output LED
2
High Temperature LED
Possible Symptom
No problem
n/a
Not ready, current latch,
Recycle input power and
voltage latch
try again. If problem
persists, contact a factory
authorized service agent.
Input voltage either too
Operation will continue
high or too low.
when input voltage is with-
in an acceptable limit.
Also, this may be an indi-
cation of a bus voltage im-
balance. If problem per-
sists contact a factory au-
thorized service agent.
Left or right thermistor
Allow unit to cool.
overheated
Left or right thermistor has
Contact factory authorized
open or short condition
service agent.
Remedy
803 207
Remedy
OM-208 474 Page 19
Publicité
