A320 Trouble Shooting Manual 排故手册 PNEUMATIC(148)

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R  1HA1-AA/7B and the ground 
R  - do a check of the impedance read on the LOOP CONTROLLER 
R  (9240SI). 
R  1_  If the impedance is less than 3 KOhms:
R  - disconnect the connector between the sensing elements 13HF 
R  and 14HF 
R  - do a check of the impedance read on the LOOP CONTROLLER 
R  (9240SI). 
R  a_  If the impedance is less than 3 KOhms:
R  - disconnect the connector between the cable 12HF and the 
R  sensing element 84HF 
R  - do a check of the impedance read on the LOOP CONTROLLER 
R  (9240SI). 
R  (AA) if the impedance is less than 3 KOhms: 
R  - disconnect the connector between the cable 11HF and the 
R  sensing element 12HF 
R  - do a check of the impedance read on the LOOP CONTROLLER 
R  (9240SI).

 1
R -EFF : 301-399,

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 --May 01/04 ---CES -R (1.1) if the impedance is less than 3 KOhms: R - replace the CONNECTING CABLE (11HF) (Ref. AMM TASK 36-R 22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001) R - do a check of the impedance read on the LOOP CONTROLLER R (9240SI) R (aa) if the impedance is less than 3 KOhms: R - do a check and repair the wiring between the pin AA/7B R of the BMC1 (1HA1) and the cable 11HF R - connect all the cables or connectors disconnected R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 R connector R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001) R - refer to Para. 4.B. R (ab) if the impedance is more than 3 KOhms: R - connect all the cables or connectors disconnected R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 R connector R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001) R - refer to Para. 4.B. R (1.2) if the impedance is more than 3 KOhms: R - replace the OVHT SENS ELEMENT (12HF) (Ref. AMM TASK 36-R 22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001) R - connect all the cables or connectors disconnected R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 R connector R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001) R - refer to Para. 4.B. R (AB) if the impedance is more than 3 KOhms: R - disconnect the connector between the sensing elements R 13HF and 84HF R - connect the connector between the cable 12HF and the R sensing element 84HF R - do a check of the impedance read on the LOOP CONTROLLER R (9240SI) R (1.1) if the impedance is less than 3 KOhms: R - replace the OVERHEAT SENSING ELEM (84HF) (Ref. AMM TASK R 36-22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001). R - connect all the cables or connectors disconnected R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 R connector R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001) R - refer to Para. 4.B. R (1.2) if the impedance is more than 3 KOhms: R - replace the OVHT SENS ELEMENT (13HF) (Ref. AMM TASK 36-R 22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001) R - connect all the cables or connectors disconnected R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1 R connector

 1
R -EFF : 301-399,

-∞∞36-22-00∞∞∞∞∞∞∞∞∞∞Page 292
 --May 01/04 ---CES -

R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001)
R - refer to Para. 4.B.

R b_ If the impedance is more than 3 KOhms:
R - connect the connector between the sensing elements 13HF
R and 14HF
R - disconnect the connector between the sensing elements
R 14HF and 15HF
R - do a check of the impedance read on the LOOP CONTROLLER
R (9240SI).
R (AA) if the impedance is less than 3 KOhms:
R - replace the OVHT SENS ELEMENT (14HF) (Ref. AMM TASK 36-R 22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001)
R - connect all the cables or connectors disconnected
R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1
R connector
R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001)
R - refer to Para. 4.B.
R (AB) if the impedance is more than 3 KOhms:
R - replace the OVHT SENS ELEMENT (15HF) (Ref. AMM TASK 36-R 22-17-000-001) and (Ref. AMM TASK 36-22-17-400-001)
R - connect all the cables or connectors disconnected
R - disconnect the LOOP CONTROLLER (9240SI) from the BMC1
R connector
R - install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-R 001)
R - refer to Para. 4.B.

R 2_ If the impedance is more than 3 KOhms:
R - connect the connector between the sensing element 15HF and
R 16HF
R - disconnect the connector between the sensing elements 17HF
R and 18HF
R - do a check of the impedance read on the LOOP CONTROLLER
　
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