W DOC AIRBUS | TSM A320F

No Power Supply on Aircraft with BAT 1 and BAT 2 Pushbutton Switches Pushed

TASK 24-38-00-810-850-A
No Power Supply on Aircraft with BAT 1 and BAT 2 Pushbutton Switches Pushed

1. Possible Causes
  • CNTOR-LINE, BAT 1 [6PB1]
  • BCL-1 [1PB1]
  • wiring
  • CNTOR-LINE, BAT 2 [6PB2]
  • BCL-2 [1PB2]
  • RELAY-SPD COND (7XB)
  • CNTOR-STAT INV [2XB]
  • RELAY-BUS 1XP CTL [15XC]
  • RELAY-BUS 2XP CTL [16XC]
  • RELAY-EMER CONDITION (12XE)
  • RELAY-STAT INV CTL [6XB]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 242801
AMM 24-28-55-000-001
Removal of the Static Inverter Contactor
AMM 24-28-55-400-001
Installation of the Static Inverter Contactor
ASM 243801
ASM 243802
AMM 24-38-34-000-001
Removal of the Battery Charge Limiter (BCL)
AMM 24-38-34-400-001
Installation of the Battery Charge Limiter (BCL)
AMM 24-38-55-000-001
Removal of the Battery Line Contactor
AMM 24-38-55-400-001
Installation of the Battery Line Contactor
AMM 24-41-00-862-002
De-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Fault Confirmation
Subtask 24-38-00-860-067-A
A. Job set-up
   (1) Make sure that the aircraft electrical circuits are de-energized AMM 24-41-00-862-002.
   (2) On the overhead panel, on the ELEC panel 35VU, make sure that the BAT 1 and BAT 2 pushbutton switches are released.
Subtask 24-38-00-865-062-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
105VUELEC/BAT REF/BCL29PB2F02
105VUELEC/BAT REF/BCL19PB1F01
105VUELEC/STAT INV/CNTOR/CTL14XBG02
105VUELEC/BAT BUS/REF/BCL18PB1G01
105VUELEC/BAT BUS/REF/BCL28PB2J02
125VUBAT BUS/301PP/SPLY11PBCC01
Subtask 24-38-00-710-136-A
C. Test
   (1) On the overhead panel, on the ELEC panel 35VU, push the BAT 1 pushbutton switch (7PB1).
  • Make sure that the OFF legend of the BAT 2 pushbutton switch comes on.
     (a) If the OFF legend of the BAT 2 pushbutton switch does not come on:
  • Do the trouble shooting given in para. 4.A.
       1 If the OFF legend of the BAT 2 pushbutton switch comes on:
  • Release the BAT 1 pushbutton switch and go to the subsequent step.
       2 On the overhead panel, on the ELEC panel 35VU, push the BAT 2 pushbutton switch (7PB2).
  • Make sure that the OFF legend of the BAT 1 pushbutton switch comes on.
         a If the OFF legend of the BAT 1 pushbutton switch does not come on:
  • Do the trouble shooting given in para. 4.B.
         b If the OFF legend of the BAT 1 pushbutton switch comes on:
  • Release the BAT 2 pushbutton switch and go to the subsequent step.
   (2) On the EMER ELEC PWR section of the panel 21VU, push and hold the EMER GEN TEST pushbutton switch (23XE).
     (a) If the upper ECAM DU and CAPT PFD are supplied:
  • Do the trouble shooting given in para. 4.C.
     (b) If the upper ECAM DU and CAPT PFD are not supplied:
  • Do the trouble shooting given in para. 4.D.
4. Fault Isolation
Subtask 24-38-00-810-105-A
A. If the test confirms the fault:
   (1) If the fault continues:
   (2) If the fault continues:
  • Do a check of the wiring ASM 243801 between:
    . The ground terminal block and the negative (-) pin of the battery 1 shunt (3PB1)
    . The positive (+) pin of the battery 1 shunt (3PB1) and the negative (-) pin of the battery 1 (2PB1)
    . The positive (+) pin of the battery 1 (2PB1) and the pin A/E of the battery 1 line contactor (6PB1)
    . The pin A/F of the battery 1 line contactor (6PB1) and the pin 1 of the battery 1 fuse holder (4PB1)
    . The pin 2 of the battery 1 fuse holder (4PB1) and the 28VDC BAT BUS terminal block (3PP)
    . The 28VDC BAT BUS terminal block (3PP) and the pin A/D of the DC normal-busbar 1 switching-contactor (1PC1)
    . The pin A/E of the DC normal-busbar 1 switching-contactor (1PC1) and the pin 1 of the circuit breaker (11PB)
    . The pin 2 of the circuit breaker (11PB) and the pin 2 of the 28VDC BAT BUS terminal block (301PP).
     (a) If the wiring is not correct:
  • Repair the wiring .
     (b) If the wiring is correct:
  • Do a check and repair the wiring ASM 243801 between:
    . The pin A/G of the BCL 1 (1PB1) and the pin B/5 of the battery 1 line contactor (6PB1)
    . The pin B/3 of the battery 1 line contactor (6PB1) and the pin 1 of the circuit breaker (22CE1).
Subtask 24-38-00-810-106-A
B. If the test confirms the fault:
   (1) If the fault continues:
   (2) If the fault continues:
  • Do a check of the wiring ASM 243802 between:
    . The ground terminal block and the negative (-) pin of the battery 2 shunt (3PB2)
    . The positive (+) pin of the battery 2 shunt (3PB2) and the negative (-) pin of the battery 2 (2PB2)
    . The positive (+) pin of the battery 2 (2PB2) and the pin A/E of the battery 2 line contactor (6PB2)
    . The pin A/F of the battery 2 line contactor (6PB2) and the pin 1 of the battery 2 fuse holder (4PB2)
    . The pin 2 of the battery 2 fuse holder (4PB2) and the 28VDC BAT BUS terminal block (3PP).
     (a) If the wiring is not correct:
  • Repair the wiring .
     (b) If the wiring is correct:
  • Do a check and repair the wiring ASM 243802 between:
    . The pin A/G of the BCL 2 (1PB2) and the pin B/5 of the battery 2 line contactor (6PB2)
    . The pin B/3 of the battery 2 line contactor (6PB2) and the pin 1 of the circuit breaker (5PB2).
Subtask 24-38-00-810-107-B
C. If the test confirms the fault:
   (1) If the fault continues:
   (2) If the fault continues:
  • Do a check of the wiring ASM 242801 between:
    . The pin 2 of the circuit breaker (14XB) and the pin B/9 of the battery 2 line contactor (6PB2)
    . The pin B/7 of the battery 2 line contactor (6PB2) and the pin B/9 of the battery 1 line contactor (6PB1)
    . The pin B/7 of the battery 1 line contactor (6PB1) and the pin A/A3 of the speed condition relay (7XB).
     (a) If the wiring is not correct:
  • Repair the wiring .
     (b) If the wiring is correct:
  • Replace the RELAY-SPD COND (7XB).
Subtask 24-38-00-810-108-B
D. If the test confirms the fault:
   (1) If the fault continues:
  • Do a check of the wiring ASM 242801 between:
    . The ground terminal block and the negative (-) pin of the battery 2 (2PB2)
    . The positive (+) pin of the battery 2 (2PB2) and the 28VDC HOT BUS terminal block (704PP)
    . The 28VDC HOT BUS terminal block (704PP) and the pin 1 of the circuit breaker (14XB)
    . The pin 2 of the circuit breaker (14XB) and the pins A/A1, A/X1 of the speed condition relay (7XB) and the pin B/9 of the battery 2 line contactor (6PB2).
     (a) If the wiring is not correct:
  • Repair the wiring .
     (b) If the wiring is correct:
  • Do a check of the wiring ASM 242801 between:
    . The pin A/A2 of the speed condition relay (7XB) and the pin A/X1, A/A2 of the static inverter control relay (6XB) through the bus 1XP control relay (15XC), the bus 2XP control relay (16XC) and the emergency condition relay (12XE)
    . The pin A/X2 of the static inverter control relay (6XB) and the ground terminal block.
    . The pin A/A1 of the static inverter control relay (6XB) and the pin B/3 of the static inverter contactor (2XB)
    . The pin B/5 of the static inverter contactor (2XB) and the ground terminal block.
       1 If the wiring is not correct:
  • Repair the wiring .
       2 If the wiring is correct:
  • Replace the RELAY-BUS 1XP CTL [15XC] .
         a If the fault continues:
  • Replace the RELAY-BUS 2XP CTL [16XC] .
         b If the fault continues:
  • Replace the RELAY-SPD COND (7XB).
         c If the fault continues:
  • Replace the RELAY-EMER CONDITION (12XE).
         d If the fault continues:
  • Replace the RELAY-STAT INV CTL [6XB] .
5. Close-up
Subtask 24-38-00-860-069-A
A. Put the aircraft back to its initial configuration.
[Rev.8 from Aug 2018] 2026.04.04 04:26:52 UTC
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