-disconnect the connector between the sensing elements 27HF and 28HF
-connect the connector between the sensing elements 26HF and 27HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
* if the impedance is less than 3 KOhms:
-replace the SNSG ELEM-OVHT, L WING LOOP A (27HF) (Ref. AMM TASK 36-22-16-000-005) and (Ref. AMM TASK 36-22-16-400-005)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the SNSG ELEM-OVHT, L WING LOOP A (28HF) (Ref. AMM TASK 36-22-16-000-006) and (Ref. AMM TASK 36-22-16-400-007)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
2 If the impedance is more than 3 KOhms:
_
-disconnect the connector between the sensing elements 32HF and 33HF
-connect the connector between the sensing elements 28HF and 29HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
a If the impedance is less than 3 KOhms:
_
-disconnect the connector between the sensing elements 73HF and 31HF
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do a check of the impedance read on the LOOP CONTROLLER (9240SI). . if the impedance is less than 3 KOhms:
-disconnect the connector between the sensing elements 29HF and 73HF
-
do a check of the impedance read on the LOOP CONTROLLER (9240SI).
* if the impedance is less than 3 KOhms:
-replace the SNSG ELEM-OVHT, L WING LOOP A (29HF) (Ref. AMM TASK 36-22-16-000-001) and (Ref. AMM TASK 36-22-16-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the ELEMENT-OVERHEAT SENSING (73HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
. if the impedance is more than 3 KOhms:
-disconnect the connector between the sensing elements 31HF and 32HF
-connect the connector between the sensing elements 73HF and 31HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
* if the impedance is less than 3 KOhms:
-replace the OVHT SENS ELEMENT (31HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
* if the impedance is more than 3 KOhms:
-replace the OVERHEAT SENSING ELEM (32HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 connector
-install the BMC1 (1HA1) (Ref. AMM TASK 36-11-34-400-001)
-refer to Para. 4.C.
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b If the impedance is more than 3 KOhms:
_
-disconnect the connector between the sensing elements 5HF
and 36HF
-connect the connector between the sensing elements 32HF and 33HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI). . If the impedance is less than 3 KOhms:
-disconnect the connector between the sensing elements 33HF and 34HF
-do a check of the impedance read on the LOOP CONTROLLER (9240SI).
* if the impedance is less than 3 KOhms:
-replace the OVHT SENS ELEMENT (33HF) (Ref. AMM TASK 36-22-18-000-001) and (Ref. AMM TASK 36-22-18-400-001)
-connect all the cables or connectors disconnected
-disconnect the LOOP CONTROLLER (9240SI) from the BMC1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 PNEUMATIC(132)
