Dear D Wheatley

Our ref: FOI-0837-2021

Thank you for your request received by Transport for London (TfL) on 16 August 2020 asking for information about station gateline error codes.

Please note, the Government has announced a series of measures to tackle the coronavirus. It is essential for London, that we continue to provide a safe transport network for essential journeys.

In current circumstances, we are not able to answer FOI requests readily and we ask that you please do not make a request to us at present.

Answering FOI requests will require the use of limited resources and the attention of staff who could be supporting other essential activity. In any event, please note that our response time will be affected by the current situation and so you may wish to reconsider the timing of this request. Please notify us as soon as possible if you would like to withdraw your request at the current time.

Should you wish to proceed with the request we will aim to issue a response by 14 September 2020 in accordance with the Freedom of Information Act 2000 and our information access policy. We publish a substantial range of information on our website on subjects including operational performance, contracts, expenditure, journey data, governance and our financial performance. This includes data which is frequently asked for in FOI requests or other public queries. Please check http://www.tfl.gov.uk/corporate/transpar... to see if this helps you.

We will publish anonymised versions of requests and responses on the www.tfl.gov.uk website. We will not publish your name and we will send a copy of the response to you before it is published on our website.

In the meantime, if you would like to discuss this matter further, please do not hesitate to contact me.

Yours sincerely

Melissa Nichols
FOI Case Officer
FOI Case Management Team
General Counsel
Transport for London

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Dear D Wheatley

Our ref: FOI-0837-2021

Thank you for your request received by Transport for London (TfL) on 16
August 2020 asking for information about gateline error codes.

Your request has been considered under the requirements of the Freedom of
Information Act 2000 and our information access policy. You asked for:

- a list of all gateline error codes for ticket barrier gatelines at all
railway stations that you manage

- an explanation of the meaning of each error code

- a list of what gateline personnel should do in the case of each of these
errors being encountered

Please see the table below for the information you requested:

Code Description Comments Action
01 Bad data Base data not supported Card or base data
problem
02 Wrong type / Direction Try again
05 Validator in test mode
06 Wrong mode or test card Not valid for travel Irregular travel
07 Ticket unreadable Possibly upside down Try again
08 Re-coding error Gate failed to correctly Ticket needs to be
recode ticket replaced
09 Ticket read error Usually bent, Ticket needs to be
demagnetised, or replaced
corrupted ticket
11 Out of date Ticket expired Use alternative
ticket/card
12 Not valid at this time Ticket not yet valid Use alternative
ticket/card
13 Under value Additional fare due
14 Not valid for travel e.g. platform ticket Irregular travel
16 Outside zone Not valid within zone
presented
17 Not issued here Platform ticket from Irregular travel
another station
18 Not valid here Not valid at this
station
20 Card expired Use alternative
ticket/card
21 Double entry attempted Already used on entry
22 Double exit attempted Already used on exit
24 Insufficient PAYG Unpaid PAYG extension Top-up PAYG
from previous journey
25 Unstarted journey Not validated on entry
26 Entry/exit at same Customer possibly
station decided not to travel
27 PAYG not enabled Use alternative
ticket/card
28 PAYG disabled PAYG capability disabled Use alternative
ticket/card
29 Ticket disabled Season ticket capability Use alternative
disabled ticket/card
30 Card disabled Hot listed card disabled Irregular travel
31 Illogical interchange Illogical validation at
OSI
32 Illogical interchange Illogical validation at
OSI
33 Illogical interchange Illogical validation at
OSI
34 Exit not allowed PAYG not validated on
journey
35 Insufficient PAYG Unpaid PAYG extension Top-up PAYG
from previous journey
36 Insufficient PAYG No valid season ticket Top-up PAYG
and insufficient PAYG
41 Pass back through Zig-zag; e.g. in/out/ in
42 Pass back Just used in same
direction
43 ITSO product not valid Ticket type not valid on Use alternative
LU ticket/card
44 Already used ITSO product already Use alternative
used for travel ticket/card
45 Card not approved ITSO card not approved Use alternative
ticket/card
46 Not valid ITSO not valid Use alternative
ticket/card
47 ITSO validation error ITSO read error Use alternative
ticket/card
48 Too long at interchange ITSO too long on
interchange
51 Already used Ticket already used, Use alternative
e.g. NR Single ticket ticket/card
52 Hot listed magnetic Hot listed magnetic pass Irregular travel
Pass
54 Cancelled magnetic Cancelled due to use Ticket needs to be
ticket before start date replaced
57 Period ticket not valid Station not covered by
period ticket
60 Too long at interchange ITSO too long on
interchange at OSI
61 Too long at interchange Interchange time Use alternative
exceeded ticket/card
62 Too long on journey Taken too long to
complete journey
63 Too long on platform Platform ticket expired Irregular travel
64 Exit time exceeded Exit time exceeded on
Fare Paid ticket
65 Entry time exceeded
67 Card not accepted Contactless payment card Refer to card issuer
not accepted
69 Card not accepted Contactless payment card Refer to card issuer
not accepted
70 Unspecified card Card not processed Try again
correctly
71 Multiple cards More than one card Represent one card
detected
73 Emergency not valid Ticket returned for
here emergency use not valid
here
74 Card not approved by Contactless payment card Refer to Helpdesk
TfL not approved by TfL
75 Oyster card not Possible reader fault Try another reader
supported
76 Payment cards  not Possible reader fault Try another reader
supported
77 ITSO not supported Possible reader fault Try another reader
78 Unknown card type Contactless payment card Use alternative
not accepted ticket/card
79 Card validation failure Contactless payment card Use alternative
not accepted ticket/card
80 Card not approved Previous payment Use alternative
declined by card issuer ticket/card
81 Illogical use of ticket
82 Illogical use of ticket
83 Illogical use of ticket
84 Invalid geography
85 Card expired Contactless payment card Use alternative
expired ticket/card
86 Invalid card Contactless payment card Use alternative
not accepted (possibly ticket/card
non-UK card)
89 Unknown card type Contactless payment card Use alternative
not accepted ticket/card
90 Rejecting monitored  Gate check in progress, Refer to RCI
tickets monitored ticket
91 Card not yet valid Contactless payment card Use alternative
not yet valid ticket/card
92 Card directory corrupt Card may need Refer to card issuer
replacement
93 Card contents corrupt Card may need Refer to card issuer
replacement
94 Card read failed Card could not be read Try again
95 Card not approved Contactless payment card Refer to card issuer
not accepted
96 Reader comms error Possible reader fault Try another reader
97 Card communication Card removed early Try again
error
98 Card not authorised Card requires online Refer to card issuer
authorisation
99 Transaction timed out Transaction took too Try another reader
long to process

If this is not the information you are looking for, please do not hesitate
to contact me.

Please note, the Government has announced a series of measures to tackle
the coronavirus. It is essential for London, that we continue to provide a
safe transport network for essential journeys.

In current circumstances, we are not able to answer FOI requests readily
and we ask that you please do not make a request to us at present.

Answering FOI requests will require the use of limited resources and the
attention of staff who could be supporting other essential activity. In
any event, please note that our response time will be affected by the
current situation.

If you are not satisfied with this response please see the attached
information sheet for details of your right to appeal.

Yours sincerely

Melissa Nichols

FOI Case Officer

FOI Case Management Team

General Counsel

Transport for London

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