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Manual 0-2803
25
SERVICE
C. How to use this Guide
The following information is a guide to help the Cus-
tomer/Operator determine the most likely causes for
various symptoms.
This guide is set up in the following manner:
X. Symptom (Bold Type)
Any Special Instructions (Text Type)
1. Cause (Italic Type)
a. Check/Remedy (Text Type)
Locate your symptom, check the causes (easiest listed first)
then remedies. Repair as needed being sure to verify that
unit is fully operational after any repairs.
A. AC Power indicator OFF
1. Switch at customer's main power panel in OFF posi-
tion.
a. Close main power panel switch
2. Input power not properly connected to customer's main
power panel
a. Check that input power is present and unit is
properly connected (refer to Section 3.05, Input
Power Connections)
3. Actual input voltage does not correspond to voltage
phase selection inside unit
a. Check actual line voltage phase vs. voltage
phase selection (inside of unit)
4. Customer's main power line fuse(s) blown
a. Check main power panel fuse(s) and replace as
required.
5. Unit internal fuse blown
a. If blown, double check input voltage vs. volt-
age selection (inside of unit) and replace fuse
per Section 5.05-B. If fuse blows again, return
unit to an authorized service center.
6. Faulty components in unit
a. Return for repair or have qualified technician
repair per Service Manual.
B. AC Power indicator ON; TEMP indicator ON
1. Airflow obstructed
a. Check for obstructed air flow and correct con-
dition.
2. Fan blocked
a. Check and correct condition
3. Unit is overheated
a. Allow unit to cool down for about 5 minutes.
Make sure the unit has not been operated be-
yond duty cycle limit.
4. Low input line voltage
a. Check and connect to proper input power line
5. Input voltage of 460 VAC applied to 208/230/240 VAC
or 380/415 VAC Models
a. Check input line voltage and correct as required.
6. Faulty components in unit
a. Return for repair or have qualified technician
repair per Service Manual.
C. Torch will not pilot when torch switch is activated
1. RUN/SET switch in SET position
a. Move switch to RUN position
2. Torch switch activated during 2 second pre-flow
a. Release switch and wait at least 2 seconds be-
fore activating switch again
3. Faulty torch parts
a. Inspect torch parts and replace if necessary (re-
fer to Instruction Manual supplied with torch).
4. Gas pressure too high or too low
a. Set pressure to 60 psi (4.1 bar).
5. Faulty components in unit
a. Return for repair or have qualified technician
repair per Service Manual.
D. AC Power indicator ON; Fans operating; No
cutting output
1. Torch not properly connected to power supply
a. Check that torch leads are properly attached to
power supply
2. Shield cup not properly installed on torch
a. Check that shield cup is fully seated against
torch head (do not overtighten if screwed on)
3. Faulty components in unit
a. Return for repair or have qualified technician
repair per Service Manual.
E. Limited or low cutting output
1. Incorrect setting of CURRENT control
a. Check and adjusted to proper setting.
Содержание FP-80
Страница 1: ...Manual No 0 2803 November 7 2001 Plasma Cutting Power Supply Model FP 80 Operating Manual A 02218...
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Страница 24: ...INSTALLATION PROCEDURES 18 Manual 0 2803...
Страница 34: ...SERVICE 28 Manual 0 2803...
Страница 39: ...Manual 0 2803 33 APPENDIX...
Страница 40: ...APPENDIX 34 Manual 0 2803 APPENDIX III SYSTEM SCHEMATIC A 02234...
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