Thermo-pride OH5-85DE User Manual download pdf (Page 19)

All installations and services must be performed by qualified service personnel.

C. TROUBLESHOOTING CHARTS

CONFIRM IF EITHER BLOWER

WHEEL IS RUBBING AGAINST

HOUSING OR MOTOR SHAFT

IS SPINNING FREELY, REPAIR

OR REPLACE AS NECESSARY.

DOES BLOWER SPIN FREELY?

IS THERE 115V

SUPPLIED TO MOTOR?

CHECK 115V SUPPLY,

CONNECTION FUSES,

SERVICE SWITCH AND

DOOR SWITCH.

CHECK HARNESS

CONNECTIONS

ND WIRE.

YES

DISCONNECT 16 PIN

HARNESS FROM

MOTOR. IS THERE 12VDC

CROSS PIN12 & PIN1

ND PIN12 & PIN3

T THE HARNESS PLUG?

CHECK CONNECTION ON HARNESS AND MOTOR,

RECONNECT HARNESS TO MOTOR, IF

CONNECTIONS ARE GOOD AND MOTOR STILL

DOES NOT RUN REPLACE MOTOR.

THIS GUIDE SHOULD BE USED IN THE CASE OF A STOPPED OR MANFUNCTIONED ECM

BLOWER MOTOR. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF

MALFUNCTION OR DEVIATION FROM THE NORMAL BLOWER OPERATION.

TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES.

CHECK 24VAC

SUPPLY

TO INTEGRATED CONTROL.

IS THERE 24VAC

CROSS R &

B/C ON THE

INTEGRATED

CONTROL?

REPLACE

INTEGRATED

CONTROL.

TURN THERMOSTAT MANUAL FAN

SWITCH ON (IF AVAILABLE) OR JUMPER

BETWEEN R & G ON INTEGRATED CONTROL.

IS THERE VOLTAGE GREATER THAN

12VDC BETWEEN PIN15 & PIN1?

CHECK CONNECTIONS AND WIRES

T INTEGRATED CONTROL, IF OK

REPLACE INTEGRATED CONTROL.

DISCONNECT 16PIN

HARNESS FROM

INTEGRATED CONTROL.

IS THERE 12VDC ACROSS

PIN 6 & PIN 1

T THE CONROL?

1 2 ... 14 15 16 17 18 19 20 21

Comments to this Manuals

No comments

Thermo-pride OH5-85DE User Manual Page 19

Comments to this Manuals

Related products and manuals for Other Thermo-pride OH5-85DE