Electrical Component Repairs - Graco InvisiPac HM10 Instructions Manual

Repair

Electrical Component Repairs

DANGER
SEVERE ELECTRIC SHOCK HAZARD
This equipment can be powered by more than 240V.
Contact with this voltage will cause death or serious
injury.
• Turn off and disconnect all power before servicing
electrical components.
Replace Auto Multi-Zone (AMZ) Fuse
NOTICE
To prevent system damage, always use fast acting
fuses. Fast acting fuses are required for short-circuit
protection.
Fuse Part
F1A-F4B 129346
FHA-FHB** - - - - - - 250VAC, 25A
**Fuses FHA and FHB are not replaceable. Replace the
AMZ circuit board if the FHA or FHB fuses are blown.
F . 90: AMZ Fuse Connections
IG
1. Access the Electrical Enclosure. Follow the steps
on page 83.
100
Identification
250VAC, 12.5A, fast acting
2. Use a non-conductive fuse puller tool to remove
the blown fuse.
NOTICE
Using an improper tool, such as a screwdriver or
pliers may break fuse or cause damage to board. Use
a fuse puller.
3. Install a new fuse into the empty fuse holder.
4. Install the ADM Screen. Follow the steps on page
83.
Replace Auto Multi-Zone (AMZ) Circuit
Board
F . 91: AMZ Circuit Board Removal
IG
1. Access the Electrical Enclosure. Follow the steps
on page 83. Disconnect cables from the circuit
board.
2. Disconnect heated hose electrical connections.
3. Loosen the AMZ mounting screws and remove the
AMZ from the enclosure.
4. Mount the AMZ to the back of the electrical
enclosure with mounting screws.
3A7259C