A05 Ignition Source Error - Panasonic 2WAY Multi Technical & Service Manual

A05 Ignition Source Error

Error detection method
When the starter power output meets the following conditions, an error is detected upon 5 consecutive
occurrences in one hour.
• When an ignition voltage decrease is detected for 2.5 seconds or more.
• During cranking, when I<3.8A is detected for 4 seconds, with no revolution pulse.
Note) The starter power source magnet switch (52S) operation is as follows.
• When power is turned on, 52S turns ON upon operation signal input. If no abnormalities occur thereafter
(A15, A16, A17), this stays ON, and turns OFF upon stop signal input.
• Turns OFF when error occurs.
Troubleshooting
Try operating the outdoor unit.
• When the starter power source magnet switch (52S) does not turn ON: Go to 1-1
• When the starter power source magnet switch (52S) turns ON, and then turns OFF after 3 seconds: Go to 2-1
• When the starter power source magnet switch (52S) turns ON but the starter does not turn ON: Go to 4-1
1
Is AC200C applied between magnet switches A1 and A2 when the
Starter
1-1
magnet switch is turned on?
power
source
Is AC200C applied between power board connectors 3P (yellow)/
magnet
1-2
CN028 No. 1 and No.3 when the magnet switch is turned on?
switch (52S)
When wiring connection/contact is poor between the outdoor unit's power board connector 3P
1-3
(red)/CN028 and magnet switches A1-A2 → Repair wiring
Is AC200C being applied between the outdoor unit's power board
1-4
connector 3P (white)/CN002 No. 1 and No. 2?
Is AC200C being applied between the fi lter board connector 3P
1-5
(white)/CN003 No. 1 and No. 2?
When wiring connection/contact is poor between the outdoor unit's power board connector 3P
1-6
(white)/CN002 and fi lter board 3P (white) CN003 No.1 and No.3 → Repair wiring
2
Is DC11V or more applied between the outdoor unit's main board
Ignition coils
2-1 connector 2P (black) CN006 No. 1 (+) and No. 2 (–) when the magnet
switch is turned on?
Is DC11V or more applied between the outdoor unit's main board
connector 2P (black) CN006 No. 1 (+) and No. 2 (–) when the magnet
2-2
switch is turn on with the outdoor unit's main board connectors 6P
(white) CN010 and 6P (black) CN011 disconnected?
Check for ground faults or short-circuits between the outdoor unit's
2-3 main board connector 6P (white) CN010 and 6P (black) CN011 and
each ignition coil.
Is AC11V or more applied between the outdoor unit's main board
2-4 connector 2P (white) CN022 No. 1 (+) and No. 2 (–) when the magnet
switch is turned on?
Are there any defective wiring connections/contacts or severed wires
2-5 between the outdoor unit's power board connector 2P (black) CN025
and the outdoor unit's main board connector 2P (black) CN006?
3 Is approximately AC11V applied between the starter power source's
Ignition 3-1 relay connector 2P-7 (black) No. 1 and No. 2 when the magnet switch
(starter) is turned on?
power
Are there any defective wiring connections/contacts or severed wires between the outdoor
3-2 unit's power board connector 2P (white) CN022 and the starter power source's relay
connector 2P-7 (black)? → Repair wiring
Is AC200V applied between the starter power source's relay
3-3 connector 2P-6 (white) No. 1 and No. 2 when the magnet switch is
turned on?
IV–7
Replace magnet
Yes
switch
No 1-2
Yes 1-3
No 1-4
Replace the
Yes outdoor unit's
power board
No 1-5
Yes 1-6
Replace the fi lter
No
board
Replace the
Yes outdoor unit's
main board
No 2-2
Yes 2-3
No 2-4
Replace the
OK
ignition coil
NG Repair Wiring
Yes 2-5
No 3-1
Yes Repair Wiring
Replace the
No outdoor unit's
power board
Yes 3-2
No 3-3
Replace the
Yes
starter power
No 3-4