Connector "B" Disconnected (4-Wire Connector)
- Check continuity between terminals No. 2 and 4 of connector "B" while depressing the CHECK switch. If continuity is present, circuit is okay. Go to step 2). If continuity is not present, replace mode select switches. See Figure .
- Check continuity between terminals No. 2 and 3 of connector "B" while depressing the LIST switch. If continuity is present, circuit is okay. Go to step 3). If continuity is not present, replace mode select switches.
- Check continuity between terminals No. 2 and 5 of connector "B" while depressing the RESET switch. If continuity is present, circuit is okay. If continuity is not present, replace mode select switches.