Aqua-Hot AHE-200-02S-24 VDC Manuel du propriétaire télécharger pdf (Page 10)

Aqua-Hot™ Motor Coach Heating System Owner's Manual 05/02

Failure Symptom

Probable Cause

Remedy

No Indicator Light on the

Diesel-Burner Control Switch o

Indicator Light goes Off after 30

sec.

Less than 10 Volts DC to the Aqua-Hot.

No Fuel to the Diesel-Burner.

Defective Fuel Nozzle.

Defective Indicator Light Bulb.

Check House Batteries and Charging System.

Check Fuel Filter and Fuel System.

Replace Fuel Nozzle.

Replace Indicator Light Bulb.

Diesel-Burner Control Switch is

On, but the Diesel-Burner’s

Motor

does not function, see

Figure 2.

Loose Harness Plug Connections at the Control Unit.

Open “E” or “F” Fuse at the Aqua-Hot.

Less than 10 Volts DC to the Aqua-Hot.

Defective Diesel-Burner Control Switch or Loose Conn

Check Harness Plug Connections to be secure and in

place on the underside of the Control Unit.

Replace “E” or “F” Fuse.

Check House Batteries and Charging System.

Replace Switch or Repair Loose Connection.

Diesel-Burner does not respond

with the 10-25 sec. Purge-cycle

Less than 10 Volts DC to the Aqua-Hot.

Check House Batteries and Charging System.

Diesel-Burner’s Combustion

Process does not take place.

Loose Harness Plug Connections at the Control Unit.

Open “E” or “F” Fuse at the Aqua-Hot.

No Fuel to the Diesel-Burner.

Defective Fuel Nozzle.

Check Harness Plug Connections to be secure and in

place on the underside of the Control Unit.

Replace “E” or “F” Fuse.

Check Fuel Filter and Fuel System.

Replace Fuel Nozzle.

Diesel-Burner’s Combustion

Process stops after 30 sec.

Loose Harness Plug Connections at the Control Unit.

Less than 10 Volts DC to the Aqua-Hot.

Check Harness Plug Connections to be secure and in

place on the underside of the Control Unit.

Check House Batteries and Charging System.

120 VAC Electric Heating

Element does not produce heat

or hot water, when motorhome

is plugged into shore power.

VAC Breaker is Off or Switch is Defective. Turn VAC Breaker On or replace Switch.

SECTION 5: TROUBLESHOOTING

Page 5-1

Prior to troubleshooting your Aqua-Hot, be sure to reference Figure 1 for a complete overview of the

heating system, and Figure 2 for a complete component overview of the

Diesel-Burner. Also, please

review Section 2.5 of this manual for details on the

Diesel-Burner’s operation. Use the following

chart when troubleshooting your

Diesel-Burner only.

Use the following chart when troubleshooting your

120 VAC Electric Heating Element only.

CHECK OR REPLACE IF NECESSARY

Switch Indicator Light Bulb

Aqua-Hot ("E" & "F") Fuses,

Continuity ?

VDC Voltage Level to Aqua-Hot

Diesel Control Switch

VDC Wiring and B-Plug Harness Conn.

Fuel Supply (No Fuel or air leak)

Fuel Nozzle

Diesel-Burner C-Plug Harness Conn.

FAILURE SYMPTOM

Diesel Control Switch "On"

No Function

Diesel Control Switch Indicator Light

No indicator light or "Off" after 30 sec.

Motor is not operating

No 10-25 second prime cycle

Diesel-Burner

Diesel-Burner Ignition Coil will not spark

Diesel-Burner

No Combustion

Diesel-Burner

Combustion stops after 30 seconds

COMPONENTS

120 VAC Heating Element

No heat / hot water when plugged into shore power

Engine Preheat

Diesel Engine Remains cold

VAC Circuit Breaker

Engine Preheat Control Switch

No indicator light

Engine Preheat Control Switch

Aqua-Hot ("A") Fuses,

Continuity ?

SECTION 5: TROUBLESHOOTING

Aqua-Hot

Quick

Reference

Chart

Page 5-2

1 2 ... 5 6 7 8 9 10 11 12 13

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Aqua-Hot AHE-200-02S-24 VDC Manuel du propriétaire Page 10

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