Fuse Testing; Mce-Iii - Bradford White MII Series Service Manual

Fuse Testing

1. Turn "OFF" power to water heater.
2. Open upper control box to allow access
to fuse block.
3. Locate fuse block and remove fuses.
4. Set multi-meter to the "Ohms" setting.
5. Check continuity across fuse
(see illustration 5).
A) Continuity IS present, fuse is okay.
B) Continuity NOT present, Replace with new fuse
SERVICE PROCEDURE MCE-III
High voltage exposure. To avoid hazard to Life
or property, be sure power is turned OFF to
water heater while performing this procedure.
Page 17
Fuse Testing
DANGER
Illustration 5
17