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Digital air- conditioner controller KR- 454

E84

Outputs (total current) overloaded

Position

:

All loads connected to the air-conditioner controller (motor valves,
relays, Webasto, etc.)

Reason

:

Drawing of total current at the relay outputs more than 2A
Loads without auxiliary relays connected directly to the air-conditioner
controller

Measure

: Check all outputs connected by relays (measure drawing of current at

terminal 15 - X10, Pin 2)

E85

Front box stage 1 overcurrent

Position

:

Front box driver's cockpit

Reason

:

Motor stiff (ball bearing damage, foreign substances)

Measure

:

Check and clean fan

E86

Front box stage 2 overcurrent

Position

:

Front box driver's cockpit

Reason

:

Motor stiff (ball bearing damage, foreign substances)

Measure

:

Check and clean fan

Note:

All shields of the sensor cables and the cables for the potentiometer
check-back of the water valves as well as the control cable of the roof
duct fans may only be connected to the air-conditioner controller with
vehicle-ground. Ground connections within the vehicle (frame) may lead
to uncontrolled error messages or to error functions of the air-
conditioner controller!

Notes:

INDUSTRIE-ELEKTRONIK

Control and regulating systems for vehicle air conditioning

D-71691 Freiberg a.N.,

Siemensstr.21

Phone: +49 7141 / 68877 - 0

Fax: +49 7141 / 68877 - 39

page: 42
of:

42

04541530.SDW

Issue: October 1998 - Copyright (C) BADER GmbH - Alterations reserve

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Содержание KR-454

Страница 1: ...ONTROLLER KR 454 October 1998 Version 1 14 INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 3...

Страница 2: ...g out welding work on the vehicle Errors and faults which have not actually occurred in the vehicle may be indicated if you attempt to start the engine with a partially discharged vehicle battery All...

Страница 3: ...controls pass compartment temperature Override mode 19 5 3 Minimum speed setting of the roof duct fans 19 5 4 Reset of the internal memory 20 5 5 Deactivating the auto start function Automatic mode 2...

Страница 4: ...driver s cockpit centre aisle Keys S4 S5 Lamp test with ignition switched off Key S15 Setpoint key for valve position at the driver s cockpit front box Key S16 Setpoint key for valve position at the...

Страница 5: ...Outside temperature display Key S17 Setpoint key for passenger compartment temperature upper deck Key S18 Setpoint key for passenger compartment temperature upper deck Key S19 Setpoint key for passeng...

Страница 6: ...es for the roof duct heaters and ventilates at 40 or 100 of the fan capacity You can fix the fan speed to 40 or 100 by pressing keys S7 or S8 in Automatic mode Caution The automatic passenger compartm...

Страница 7: ...t in 1 steps per key pressure with keys S15 and S16 If you press any key for more than 2 seconds the setpoint is changed at a high speed If you don t press any of these keys the actual setpoint is sto...

Страница 8: ...ve opens LED display f ex F100 for 5 sec You can reset the defrost function by pressing alternatively keys S1 S2 S3 S4 S5 S15 or S16 S5 Flap Driver s cockpit centre aisle The flap opens when you press...

Страница 9: ...displayed by a short pressing press and release of keys S19 or S20 Display f ex 20 You can change the setpoint with keys S19 and S20 in 1 C steps per key pressure The actual setpoint is displayed afte...

Страница 10: ...ion facility in the unit avoids exhaustive discharge of the vehicle battery S8 VENTILATION MODE stage II Function as with key S7 but ventilation capacity 100 This key operates only with the engine run...

Страница 11: ...c steps S13 PASSENGER COMPARTMENT TEMPERATURE LOWER DECK AND SETTING THE TIME When setting the time and the time switch this key is used to increment count up the minute display In Diagnostic mode thi...

Страница 12: ...the minute display with key S13 S13 and the same operating steps apply as for key S12 After you set the hours and minutes display you can confirm the new time entered with key S14 If you do not confir...

Страница 13: ...compartment temperature control Set the relevant setpoint to min if you do not wish to pre heat a deck The current switch on time can be checked with the Automatic key S6 with the ignition off If the...

Страница 14: ...on the operating state This Emergency mode can be seen from a dot at the far right on the display The time is displayed once again after you acknowledge the error If there is a valve potentiometer err...

Страница 15: ...S12 S13 You can then page forwards and backwards in the error memory with keys S12 and S13 You can clear the contents of the error memory by pressing both keys simultaneously You will then see A 00 on...

Страница 16: ...nal Error 34 No auxiliary heating system WEBASTO check back signal Error 35 Prop valve roof duct lower deck potentiometer defective Error 36 Prop valve driver s cockpit potentiometer defective Error 3...

Страница 17: ...or 86 Front box stage 2 overcurrent INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 39 page...

Страница 18: ...display This display means intensity set to 50 This value can be varied from 50 to 100 with keys S12 and S13 You can store this value with key S14 after setting the intensity You quit DIAGNOSTIC MODE...

Страница 19: ...S19 and release it Then press key S17 S19 longer than 2 seconds you can see a C on the display the system cools in an uncontrolled manner In this operating mode the air conditioning system is switche...

Страница 20: ...rt circuit discharged batteries etc 5 5 DEACTIVATING OF THE AUTOSTART FUNCTION AUTOMATIC MODE After starting the engine the air conditioner KR 454 automatically switches to Automatic mode AUTO If not...

Страница 21: ...or the rear convector control circuit without changing or setting the unit 5 7 SPECIAL FUNCTIONS OF THE DISPLAY If you press key S7 within 5 seconds after pressing keys S12 S13 passenger compartment...

Страница 22: ...d then runs through its test cycle which takes approx 3 minutes 6 2 COMPUTER INTERFACE There is a socket for the test computer e g laptop on the right hand side of the FBS 477 for test purposes Only s...

Страница 23: ...features a special operating mode which can be used to check the individual control circuits and monitoring elements this is referred to below as the self test This operating mode is practical only w...

Страница 24: ...n by pressing key S6 AUTO PROGRAM 3 This program tests the keys on the control section When you press a key the related LED in the key lights providing the control section is operating correctly You w...

Страница 25: ...This displays the temperatures of all sensors You can select the sensors 1 11 with keys S12 and S13 The number of the sensor is displayed on the left on the display The sensor temperature is displaye...

Страница 26: ...upper deck output 16 convector valve close upper deck PROGRAM 8 This program tests the valve and servo motor outputs I 1 8 You will see v1 on the left on the display You can select the outputs 1 8 wi...

Страница 27: ...select output 1 2 with key S14 The output voltage from 0 to 100 is displayed on the right You can set the output voltage from 0 to 100 with keys S12 and S13 An output voltage of 0 corresponds to maxim...

Страница 28: ...able and 255 minimum speed not advisable Basic setting delivery 127 about 12V control voltage You quit the test program by pressing key S6 AUTO PROGRAM 13 This features the minimum speed of the roof d...

Страница 29: ...tch Front box control FBS 450 INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 39 page 29 of...

Страница 30: ...rgency switch Front box control FBS 450 INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 39 p...

Страница 31: ...e Information KR 454 INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 39 page 31 of 42 045415...

Страница 32: ...LOCK SCHEMA OF CONTROL IN DOUBLE DECKER COACH INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 6887...

Страница 33: ...Data INDUSTRIE ELEKTRONIK Control and regulating systems for vehicle air conditioning D 71691 Freiberg a N Siemensstr 21 Phone 49 7141 68877 0 Fax 49 7141 68877 39 page 33 of 42 04541530 SDW Issue Oc...

Страница 34: ...rating and display elements 4 figure 7 segment display 20 keys 14 Display LEDs Current supply Power supply distribution voltage 20 30V Drawing of current at 24V no load operation not lightened 50 mA D...

Страница 35: ...cable defective Measure Isolate or exchange cable No 1808 120 07 E6 Discontinuity sensor passenger compartment lower deck Position Under the luggage rack on the left side in the lower deck 3 4 seat r...

Страница 36: ...e Measure Isolate or exchange cable No 1808 001 10 E12 Discontinuity convector sensor rear only Sweden Position Above the convector on the right side at the rear 13 14 seat row Reason A wire of the se...

Страница 37: ...he sensor is disconnected Plug connection broken Cable cut off or broken Measure Check connection at the air conditioner controller or sensor Check cable in its full length E19 Short circuit convector...

Страница 38: ...ug connection loose or defective Fuse air conditioner compressor defective Danger of icing Air flow rate too little Vaporizer fan failed Heat exchanger fan failed Heat exchanger fan connected wrongly...

Страница 39: ...nnection valve and cable Replace motor valve if necessary No 1808 001 11 E36 Prop valve driver s cockpit potentiometer defective Position In the double decker the water valve is located under the driv...

Страница 40: ...ion valve and cable Replace motor valve if necessary No 1808 001 11 E41 Prop valve convector upper deck potentiometer defective Position The water valve is located above the driving axle it is accessi...

Страница 41: ...lve E81 No valve potentiometer voltage 24V Position Possible at all valves Reason Valve outputs overloaded f ex if several valves are stiff or servo motors are stiff or defective flap fresh air circul...

Страница 42: ...6 Front box stage 2 overcurrent Position Front box driver s cockpit Reason Motor stiff ball bearing damage foreign substances Measure Check and clean fan Note All shields of the sensor cables and the...

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