LONDON UNDERGROUND

OYSTER CARD CODES AS SHOWN ON BARRIER

00 Valid ticket
01 Bad data
02 Wrong type/direction of use
03 Wrong type or National Rail only
05 Gate in test mode
06 Test ticket
07 Card unreadable/ticket upside down
08 Re-coding error
09 Code read error/ticket damaged
11 Out of date
12 Not valid at this time of day
13 Under Value - additional fare due
16 Not valid in this zone
17 Not issued here
18 Not valid at this station
19 Start date in future
21 Double entry attempted
22 Double exit attempted
24 Has season ticket but travelled out of zone and has insufficient Pre Pay to cover extension
25 Unstarted journey
26 Entry and exit at same station
27 Pre Pay not enabled
28 Pre Pay stopped
29 Period ticket stopped
30 Oyster card stopped
33 Illogical interchange through gates (Hmmm)
34 Exit not allowed - Pre Pay not validated on journey
35 Insufficient Pre Pay - unpaid Pre Pay extension from previous journey
36 No valid season ticket and insufficient Pre Pay to travel
41 Zig zag through gates
42 Pass back
51 Already used for one journey (Single) or two journeys (Return)
53 Black listed travel permit
57 Station not covered on Period ticket
61 Too long at interchange
62 Too long on journey
63 Too long on platform
64 Exit time exceeded
65 Entry time exceeded
70 Unspecified Oyster card processing error
71 Multiple cards
73 Emergency - not valid here
82 Illogical use of ticket
83 Permit not valid at this time
90 Rejecting monitored ticket
92 Card directory corrupt
93 Card contents corrupt
94 Card communications failed
96 Reader initialisation failed

If any other code shown seek advice
TranSys Help Desk - Auto 1610

 

00 - Valid Ticket
01 - UTS Gate Fault (Invalid Tables)
02 - Wrong Type/Direction of use for this type of ticket
03 - BR only - no LUL validity
04 - UTS Gate Fault (Check Table Error)
05 - Technician signed onto machine
06 - Test Ticket
07 - Code Unreadable (Usually when ticket is upside down)
08 - Recoding Error
09 - Ticket Damaged
10 - Carnet Validated (Carnet Validator Only)
11 - Out of Date
12 - Not Valid Now (e.g.. OPTC before 0930, Freedom pass before 0900)
13 - Additional Fare Payable
14 - Not Valid, and is not excessable
15 - No onward validity
16 - Pass at Invalid station
17 - Excess/platform ticket at wrong station
18 - Station Permit at wrong station
19 - Start Date in future
(20 - Spare)
21 - Ticket already used for entry
22 - Ticket already used for exit
23 - Carnet not validated on entry
(24-30 - Spare)
31 - Invalid From OSI
32 - Invalid Into OSI
33 - Illogical Interchange through gates [1]
(34-40 - Spare)
41 - Ticket used three times in quick succession at same station
(entry-exit-entry or exit-entry-exit or purchase-entry-exit)
42 - Double use in one direction
(43-50 - Spare)
51 - Already used for 1 journey (single) or 2 journeys (return)
52 - Pass Reported Lost or Stolen [2]
53 - Permit Reported Lost or Stolen [2]
54 - Possible Dumbbell
(55-60 - Spare)
61 - Too long spent making interchange
62 - Too long spent on journey (carnets only)
63 - Too long on platform (platform tickets only)
64 - Too long on excess (Fare-Paid tickets only)
65 - Entry time exceeded on platform ticket
(66-72 - Spare)
73 - Ticket given back for possible emergency use (e.g.. substitute bus
service) and is not valid at this station
(74-81 - Spare)
82 + 83 - Illogical Use of Ticket
(84-89 - Spare)
90 - Gates set to reject this ticket type (normally child-lock)
(91-98 - Spare)
99 - UTS Gate Fault (Check Time-out)

If I've missed any, please let us know.

These codes come into four catagories :

(1) - Those in everyday use - 00, 03, 07, 08, 09, 11, 12, 13, 21, 22,
      41, 42, 51, 90
(2) - Those used often in the city, but not on SA's list - 10, 23,
(3) - Others on the SA's list - 02, 05, 06, 16, 17, 18, 19, 33, 52*,
      53*, 61, 62, 63, 64, 65, 73, 82, 83,
(4) - Only in technical material - 01, 04, 14, 15, 31, 32, 54*, 99
(*) - Not Used - 20, 24-30, 34-40, 43-50, 55-60, 66-72, 74-81, 84-89,
      91-98

NB: The software for this was very unreliable, and so has not happened
    for years (if ever, if I'm understanding the situation correctly).
    Affects those with *.

[1] #33 is when, say you exit through Monument station and re-enter at
Tower Hill.  The interchange is illogical, so won't accept your ticket.
 

[2] Pass is things like Staff/Dependant/Retired passes. Permits are
things like Freedom Passes.  

Both can be intercepted if reported lost or stolen (retained by
machine, machine closes awaiting staff assistance.  Code remains for
staff to decipher)  

Note: RCI = Revenue Control Inspector, PFN = Penalty Fare, SA = Station
Assistant, RCM = Revenue Control Manager(?)

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