Lincoln Electric RED-D-ARC E500 - Manual (Page 16)

D-6 TROUBLESHOOTING D-6
Observe all Safety Guidelines detailed througout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local
Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
FUNCTION PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSE
RECOMMENDED
COURSE OF ACTION
L. Optional remote current control
not functioning. See
Troubleshooting Procedures
before connecting.
M. 115 VAC Receptacle or GFCI
not working.
N. Fan runs continuously.
1. Current control switch in the
wrong position.
2. Leads 75, 76 and 77 not con-
nected to correct numbers on
models with terminal strip.
3. Remove control leads broken.
4. Remote control potentiometer
open.
5. Lead or connection in current
control circuit open.
6. Control PC board plug discon-
nected or loose.
7. Control circuit problems.
1. Circuit Breaker Tripped.
2. Defective Circuit Breaker.
3. Broken connection in wiring.
1. Defective Thermal Fan
Thermostat.
1. Place switch in “REMOTE” posi-
tion.
2. Correct connection.
3. Repair broken leads.
4. See Troubleshooting Procedures
– Connecting Remote Control.
5. Connect or repair.
6. Connect plug.
7. See Troubleshooting Procedures
– Power Silicon Controlled
Rectifier.
1. Reset circuit breaker. Make sure
load on receptacle or GFCI does
not exceed 15A rating of circuit
breaker. See General
Maintenance Section for testing
GFCI.
2. Replace.
3. Check all wiring going to recepta-
cle or GFCI and circuit breaker
for possible broken connection.
1. Replace.
E500