Maintenance - MULTIQUIP GAW180HE Operation And Parts Manual

TESTING THE GFCI CIRCUIT BREAKER
1. Start the generator as outlined in the start up procedure
in this manual.
2. Place idle control switch (Figure 37) in the OFF
position. This will allow the engine speed to run at
about 3600 RPM's (high speed).
Figure 37. Idle Control Switch ON (GFCI Test)
3. Place the AC circuit breaker (Figure 38) in the ON
position.
Figure 38. AC Circuit Breaker ON (GFCI Test)
4. Press the test button (Figure 39) on the AC circuit
breaker and verify that the circuit breaker lever moves
(click) from the ON position to the center trip position.
This indicates that that the GFCI breaker is working
correctly and ground faults will be detected.
CENTER
TRIP
Figure 39. GFCI Breaker (Test)
GAW180HE/HEA WELDER-GENSET • OPERATION AND PARTS MANUAL — REV. #1 (10/01/19) — PAGE 35
ON
OFF
25
ON
TEST
ON
LEVER
OFF
T E
TEST
S T
BUTTON
5. Use an external voltmeter as shown in Figure 40, and
verify that no voltage (zero) is present at the 120V
twist-lock and GFCI duplex receptacles.
W
G
000VAC
X
L5-30R
120V
120
V
Figure 40. 120V Twist-Lock/GFCI Receptacles
NOTICE
The AC voltmeter on the control panel will still indicate
120 VAC since it is not connected to the load side of
the breaker.
6. Reset AC circuit breaker by placing lever to the OFF
position then to the ON position.
NOTICE
The GFCI circuit breaker should be tested at least once a
month. NEVER perform the GFCI circut breaker test with
the engine running at low speed (idle control switch ON),
damage to the GFCI may occur.

MAINTENANCE

GFCI
000 VAC
OFF
V~
V
300 mV
A~
A
V
COM
(GFCI Test)