ad8370w3006a

Auxiliary heater (AHE) diagnosis operational check using actual values

Typ ad · téma 83.70 · verze 0100 · 2003-06-16

Platí pro: MODEL 625.1 /2, 655, 656, 657, 658, 659 with CODE (H27) Hot water auxiliary heater DW 80 MODEL 650, 651, 652, 653, 654 with CODE (H27) Hot water auxiliary heater DW 80

Není k dispozici v jazyce „cs“; zobrazeno v jazyce Angličtina.

Zařazení

Funkční skupina 3 Nástavba › 83 Klimatizace › 83.70 Nezávislé topení, přídavné topení, přihřívač — Řada 625 (modely 1**, 2**) · Řada 650 · Řada 651 · Řada 652 · Řada 653 · Řada 654 · Řada 655 · Řada 656 · Řada 657 · Řada 658 · Řada 659

AD83.70-W-3006A

Auxiliary heater (AHE) diagnosis operational check using actual values

15.9.97

MODEL 625.1 /2, 655, 656, 657, 658, 659 with CODE (H27) Hot water auxiliary heater DW 80

MODEL 650, 651, 652, 653, 654 with CODE (H27) Hot water auxiliary heater DW 80

Danger!

Risk of explosion due to fuel vapors, risk of poisoning from combustion gases and risk of injury from burning during or after heater operation

Do not put stationary heater, auxiliary heater or engine with heater booster into operation in confined spaces or when filling fuel tank. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

Danger!

Risk of injury to skin and eyes through scalding with hot coolant liquid spraying out. Risk of poisoning though swallowing coolant liquid.

Open cooling system only when coolant temperature is below 90 °C. Unscrew cap slowly and allow excess pressure to escape. Do not pour coolant liquid into drinking vessels. wear protective gloves, protective clothing and protective glasses.

AS20.00-Z-0001-01A

Auxiliary heater (AHE) diagnosis, previous knowledge

AD83.70-W-2000C

Notes on auxiliary heater (AHE) fault memory

AD83.70-W-2000-05A

Connect Hand-Held Tester (HHT)

If, with heater unit switched on, no "AHE" display occurs after short test, switch heater unit on and off several times as necessary.

AD00.00-W-2000-03A

After repair test auxiliary heater through actual values 01 and 02.

a

On-board voltage 22.5-29.5V

Function check

Actual values / meaning

Operation / requirement

Specified value

Notes

Coolant temperature

Ignition: ON

Heater unit: ON

XX °C

AD83.70-W-3006-01A

Flame monitor signal

Ignition: ON

Heater unit up to approx. 60-70s after switching on, in stand-by (>90 °C) or in run-on:

Heater unit approx. 60-70s after switching on up to a coolant temperature of approx. 90 °C until switching off:

Dark (cold)

Bright (hot / flame temperature)

AD83.70-W-3006-02A

Battery voltage

(voltage terminal 30)

Ignition: ON

22.5-29.5 V

Value not in order:

Check plug connections A and B on control unit and plug connections on unit mount behind timer.

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