PREVOST H3-45 2023 User Manual

Problem / Symptom Probable Causes Actions
Defroster fan is
functioning but no heat or
cooling available in the
driver area.
Module AE47 is not powered
or is faulty
1. Check the DIAGNOSTICS menu of Driver
Information Display (DID). Select VIEW
ACTIVE FAULTS and ELECTRICAL. The
message “No Response ModA47, Active”
indicates a power problem on the module. (A
DL0 (BBUS MUX) network problem would
show the same message but doesn't produce
these symptoms).
2. Check / reset circuit breaker CB1
3. Check / replace fuse F45
4. Probe gray connector on module to see if it is
powered.
Low beam headlamps
and front flasher on left
side not functioning
Electric horn not
functioning
Module AE46 is not powered
or is faulty
1. Check the DIAGNOSTICS menu of Driver
Information Display (DID). Select VIEW
ACTIVE FAULTS and ELECTRICAL. The
message “No Response ModA46, Active”
indicates a power problem on the module. (A
DL0 (BBUS MUX) network problem would
show the same message but doesn't produce
these symptoms).
2. Check / reset circuit breaker CB10
3. Check / replace fuse F19
4. Probe gray connector on module to see if it is
powered.
Low beam headlamps
and flasher on right side
not functioning
Module AE48 is not powered
or is faulty
1. Check the DIAGNOSTICS menu of Driver
Information Display (DID). Select VIEW
ACTIVE FAULTS and ELECTRICAL. The
message “No Response ModA48, Active”
indicates a power problem on the module. (A
DL0 (BBUS MUX) network problem would
show the same message but doesn't produce
these symptoms).
2. Check / reset circuit breaker CB10
3. Check / replace fuse F21
4. Probe gray connector on module to see if it is
powered.
PA-1652 Operator's Manual H3-45 Coach
Multiplex Troubleshooting B-5

PREVOST H3-45 2023 Specifications

General

Manufacturer	Prevost
Model	H3-45
Year	2023
Category	Buses
Engine	Volvo D13
Horsepower	500 hp
Length	45 ft
Width	102 in
Seating Capacity	56 passengers
Air Conditioning	Yes
GVWR	54, 000 lbs
Entertainment System	Available