Test 3; Check Ac Voltage Input; Measure Dc Output Voltage At The Cma - Briggs & Stratton 040213 Service And Troubleshooting Manual

Test 3

Check AC Voltage Input:

2
1. Remove 15 Amp fuse.
2. Gain access to the CMA board.
The CMA Board" on page 19)
3. Check for 240VAC at the pins of the connector
(Fig. 13).
On Site
Fig. 13 - Checking For 240VAC At 2-Pin Connector
If 240VAC is present:
• Proceed to test 4.
If 240VAC is not present:
• Check the 2 Amp fuses in the transfer switch.
• Check the wiring/connections between the
transfer switch and standby generator.
Repair wiring and/or fuses in transfer switch circuit and
recheck for 240VAC at 2-pin connector.
Page 24
Service & Troubleshooting Guide - Home Generator System - Models 040213 and 040234 (15kW)
(See "Access To
Section 2 - Troubleshooting Information
Test 4

Measure DC Output Voltage at the CMA

1. Disconnect the (-) negative battery cable.
2. Insert the (+) test lead at
3. Connect the (-) negative test lead to the negative
battery cable (not the negative battery post).
12VDC Should Be Measured
On Site
8
7
6
5
4
3
2
1
Fig. 14 - Checking For 12VDC Output At CMA Board
NOTE
: Clip the negative meter lead to the (-)
negative battery cable.
If 12VDC is present at the CMA:
• Remove from the (+) positive battery
Wire #13
post.
• Check for continuity on Wire
Repair/replace wire, as required and retest.
If 12VDC is not present at CMA board:
• Replace CMA board/control panel.
• Install all connectors to CMA board.
• Proceed back to test 2.
(Fig. 14).
Pin #1, Wire #13
.
#13