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Traditional Pay As You Go meter error codes

If you see an error code on the display of your traditional Pay As You Go meter, this could mean there’s an issue with your meter or key/card. So please check the code and get in touch with us. 

You can click the green chat icon at the bottom right of your screen. Or call us on 0330 175 9669 Monday to Friday, 8am to 8pm and 9am to 5pm on weekends.

Electricity meter screen codes:

If your error code begins with “A”, “B”, “C” or “D”

FaultWhat it means
A1, A2, A3, A4, A5, A6, A7, A8, A9We need to replace your key or meter. Please get in touch. 
B1, B2, B3, B4, B5, B6, B7, B8, B9We need to replace your key or meter. Please get in touch. 
C1We need to replace meter. Please get in touch. 
C2, C3We need to replace your key or meter. Please get in touch. 
C4Re-insert the key and press the “BUDGET” button. If this doesn't work, please get in touch.
D1We need to replace your meter. Please get in touch. 
D2You need to top up. If this doesn't work, we’ll need to replace your key. Please get in touch.
D3We need to replace your key or meter. Please get in touch. 
D4Re-insert the key and press the “BUDGET” button. If this doesn't work, please get in touch.
D5Re-insert the key and press the “DISPLAY” button. If this doesn't work, please get in touch.
D6We need to replace your meter. Please get in touch.

  

  If the error code is a number

FaultWhat it means
1-4We need to replace your meter. Please get in touch. 
10We need to check your meter serial number. Please get in touch.
12-14We need to replace your key or meter. Please get in touch.
15We need to check your meter serial number. Please get in touch.
16-17We need to replace your key or meter. Please get in touch.
19We need to check your meter serial number. Please get in touch.
20, 21, 22, 23, 24, 30, 40, 41, 42, 43, 44, 45, 50, 99We need to replace your key or meter. Please get in touch.

  

If the error code is a word

FaultWhat it means
NoWe need to replace your key or meter. Please get in touch.
Token NoWe need to replace your key or meter. Please get in touch.  
KeyWe need to replace your key or meter. Please get in touch.
OffWe need to replace your key or meter. Please get in touch.
ResetWe need to replace your key or meter. Please get in touch.

  

Other meter faults without showing a code on the screen 

FaultWhat it means
Your key is jammedWe need to replace your key or meter. Please get in touch.
The display is blankCall 105 to check for power cuts. If there are no power cuts, please get in touch.
Your meter is making a buzzing soundWe need to replace your meter. Please get in touch as soon as you can.  
There are burn marks on your meterWe need to replace your meter. Please get in touch as soon as you can.
There’s a fishy smell/black tar leaking from your meterYou’ll need to call your local distributor to arrange an engineer visit.

Gas meter screen codes:

FaultWhat it means
Backlight is stuck onWe need to replace your meter. Please get in touch.
The battery has failedWe need to replace your meter. Please get in touch.
The battery is low or there’s a B1 or B3 faultWe need to replace your meter. Please get in touch.
The screen is blankWe need to replace your meter. Please get in touch.
Free vendWe need to replace your meter. Please get in touch.
Call helpWe need to replace your meter. Please get in touch.
Card fail We need to replace your meter. Please get in touch. 
Card not accepted We need to replace your meter. Please get in touch. 
5 dashes or M*****We need to replace your meter. Please get in touch.
Your meter is making a continuous buzzing soundWe urgently need to replace your meter. Please get in touch as soon as you can.
There’s no gas supply but you have creditIf the screen shows “on” but your gas appliances aren’t working. You’ll need to call 0800 111 999.
There’s a fail message stuck on screenWe need to replace your meter. Please get in touch.
Pass/card passWe need to replace your meter. Please get in touch.
Please waitRemove the card and wait 3 minutes. If this doesn’t work please get in touch. 
Unresponsive meterWe need to replace your key, card, or meter. Please get in touch.
Water in meterIf the meter box is damaged, you’ll need to fix this and then get in touch.
Windon or DecomWe need to reset your meter. Please get in touch. 
SoftwareWe need to reset your meter. Please get in touch. 

Explore our meter guides

Need more help with your meter? Check out our easy-to-follow guides on topping up, reconnecting your meter, activating emergency credit, and troubleshooting common issues. 

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Can’t find an answer? Try asking our helpful OVO community.

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Still need help?

If you have a gas leak, power cut, or Pay As You Go emergency, get emergency help.