Bader KR-454 Operating Instructions Manual page 16

Air conditioner controller

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Digital air- conditioner controller KR- 454

Error

Error messages: Input/output errors

Error

Error messages: voltage errors

Error

INDUSTRIE-ELEKTRONIK

Discontinuity,

-"-

Short circuit, roof duct sensor lower deck

Discontinuity,

-"-

Short circuit, convector sensor, front lower deck

Discontinuity,

-"-

Short circuit, convector sensor, rear lower deck

Discontinuity,

-"-

Short circuit, passenger compartment sensor upper deck

Discontinuity,

-"-

Short circuit, roof duct sensor upper deck

Discontinuity,

-"-

Short circuit, convector sensor, front upper deck

Discontinuity,

-"-

Short circuit, convector sensor, rear upper deck

Discontinuity,

-"-

Short circuit front box sensor driver's cockpit (option)

Discontinuity

-"-

Short circuit front box sensor upper deck (option)

Discontinuity

-"-

No air-conditioner compressor check-back signal

No auxiliary heating system (WEBASTO) check-back signal

Prop valve roof duct lower deck potentiometer defective

Prop valve driver's cockpit potentiometer defective

Prop valve convector lower deck potentiometer defective

Prop valve roof duct upper deck potentiometer defective

Prop valve front box upper deck potentiometer defective

Prop valve convector upper deck potentiometer defective

Prop valve front box upper deck potentiometer defective

Setpoint potentiometer front box upper deck, discontinuity

No valve potentiometer voltage (+5V)

Outputs valve motors or servo motors of front box overloaded

Valve assignment (valve-potentiometer) error

Outputs overloaded (total current)

Control and regulating systems for vehicle air conditioning

D-71691 Freiberg a.N.,

Phone: +49 7141 / 68877 - 0

Siemensstr.21

Fax: +49 7141 / 68877 - 39

page:

of:

04541530.SDW

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