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If your prepaid meter is showing an error code, a blank screen, or simply refusing to accept a token you just bought, a reset is usually the fix — and in most cases you can do it yourself in under three minutes without calling a technician. Whether you are on IKEDC, EKEDC, AEDC, IBEDC, or any other DisCo in Nigeria, the reset procedure follows the same basic logic across Hexing, Landis+Gyr, Itron, and Clou meter brands. This guide walks you through every scenario clearly, so you can get your power back on fast.

Why a Prepaid Meter Needs a Reset

Before touching any buttons, it helps to know why the meter is misbehaving. The most common triggers are:

• Tamper alarm: The meter detected a physical shock, magnet, or voltage surge and locked itself as a safety measure.
• Failed token entry: A wrong digit was entered too many times, causing a soft lock.
• Blank or frozen display: A firmware glitch or power fluctuation caused the display controller to hang.
• Credit transfer error: The meter accepted a token but did not add the units — common after DisCo system updates.
• Low battery on the display board: The internal 3V lithium coin cell is weak, causing erratic readings.

Identifying the right cause saves you from doing a full factory reset when a simple keypad reset will do.

How to Reset a Prepaid Meter: The Universal Keypad Method

This method works on the majority of single-phase and three-phase prepaid meters installed across Nigerian homes and offices. You do not need any special tool — just the meter's keypad.

Step 1 — Check the display first

Press any key to wake the screen. Note the exact error message or code displayed. Common ones include TAMPER, ERR, CALL, ALARM, or a flashing dashes symbol (- - - -). Take a photo with your phone — you may need this if you have to call your DisCo later.

Step 2 — Enter the standard clear/reset sequence

On most Hexing and Clou meters (the two most common brands in Nigeria), the sequence to clear an error and attempt a soft reset is:

1. Press and hold the red button (or the # key) for 5 seconds until the screen flashes.
2. Enter 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (twenty zeros) and press Enter or #.
3. Wait 10 seconds. The meter will attempt to clear the error flag and return to the normal credit/units display.

If the display returns to showing your available units (kWh balance), the reset was successful. You can now enter your token as normal.

Step 3 — If the TAMPER alarm persists

A tamper alarm requires a special Clear Tamper Token — a unique 20-digit code that only your DisCo can generate for your specific meter serial number. You cannot generate this yourself. Here is what to do:

1. Note your meter serial number (printed on the front label, usually 11–13 digits).
2. Contact your DisCo's customer care line or walk into the nearest customer service centre.
3. Request a Clear Tamper Token. In most DisCos this is free if the tamper was caused by a power surge or accidental shock — not deliberate tampering.
4. Enter the 20-digit code on the keypad exactly as given, then press Enter.
5. The alarm clears and the meter reconnects the relay, restoring supply.

Meter-Specific Reset Tips by Brand

Hexing HXE110 / HXE310 (very common in Lagos, Abuja)

Press # once to wake display. To review balance, press 6 then #. To clear a "CALL" message, enter your next valid token — the CALL message usually disappears after a successful token load. If it persists after loading, request a Clear Credit Token from your DisCo.

Landis+Gyr E110 (common in EKEDC territory)

This meter has a scroll button. Hold the scroll button for 8 seconds to enter diagnostic mode. Press scroll three times to reach the RESET prompt, then hold the scroll button again for 3 seconds to confirm. The meter reboots its display module — this resolves most frozen-screen issues.

Clou CL730S2 (IKEDC, IBEDC)

Wake the display by pressing *. For a display freeze, remove the battery cover on the back, take out the coin cell battery for 30 seconds, reinsert it, and replace the cover. This performs a hard display reset without affecting your stored credit balance.

What to Do When the Meter Rejects Your Token After a Reset

A reset clears the keypad lock but does not fix a token that was genuinely generated incorrectly. If your token still shows REJECT or INVALID after a successful reset, the issue is with the token itself — not the meter. This happens when:

• The vendor entered the wrong meter number at the point of purchase.
• You copied a token for a different meter (e.g. a neighbour's).
• The DisCo's vending system had an outage and issued a corrupted token.

In this case, contact the vendor or platform where you bought the token and request a replacement token using your correct meter number. Reputable platforms can void the bad token and reissue a valid one quickly — often within minutes.

Preventive Habits That Reduce Meter Errors

Resetting a meter repeatedly is a sign of underlying issues. A few simple habits cut the frequency dramatically:

• Use a surge protector or voltage stabiliser on your main distribution board — most tamper alarms in Nigerian homes are triggered by NEPA/DisCo voltage spikes, not actual tampering.
• Always double-check your meter number before buying a token — a transposed digit means the token lands on someone else's meter.
• Do not let the balance hit absolute zero; load tokens before the credit runs out completely to avoid a supply-disconnection relay trip that sometimes triggers an error on reconnection.
• Keep the meter keypad clean and dry — moisture causes key-press ghosts that register false inputs and trigger lock-outs.
• Buy tokens from verified platforms that pull directly from the DisCo vending API, so the token is generated against your exact meter serial number in real time.

When to Call Your DisCo (and What to Tell Them)

You should escalate to your DisCo customer care when: the tamper alarm returns within 48 hours of being cleared; the meter display stays blank even after a hard battery reset; the meter shows a negative credit balance despite loaded tokens; or the meter physically feels hot to the touch. When you call, have your meter serial number, account number, last token loaded, and the exact error message ready. This gets you past the first-level script faster.

Frequently Asked Questions

Will resetting my prepaid meter wipe my credit balance?

No. A keypad or display reset does not affect the credit (kWh units) stored in the meter's memory chip. Your balance is held in non-volatile memory that survives resets and even power outages.

How do I get a Clear Tamper Token for my meter?

Contact your DisCo's customer care line or visit their service centre with your meter serial number and account details. The token is generated by their vending system and is unique to your meter — no third-party vendor can produce it.

My prepaid meter screen is completely blank. Is it broken?

Not necessarily. First try replacing the small coin cell battery (usually CR2032 or CR2025) inside the back panel — this powers the display independently of the mains supply. If the screen comes back, the battery was simply dead.

How many times can I enter a wrong token before the meter locks?

Most meters allow between 3 and 5 incorrect token entries before triggering a temporary keypad lock. The lock usually lifts automatically after 30–60 minutes, or immediately after a successful correct token entry.

Can I reset a three-phase prepaid meter the same way as a single-phase one?

The basic keypad reset sequences are the same, but three-phase meters have additional phase-monitoring alarms that may require a technician and a DisCo-generated reset token to clear. Start with the standard method; if it does not work, escalate to your DisCo.

Is it legal to reset a prepaid meter yourself?

Performing a keypad or display reset using the meter's own buttons is perfectly legal and is the intended user-accessible function. What is illegal — and dangerous — is opening the sealed meter casing, bypassing the relay, or attempting to modify the firmware.

Getting your meter back to normal is only half the job — you still need a valid token to restore your electricity. The fastest way to buy a prepaid electricity token with your correct meter number, get instant delivery, and avoid the wrong-token problem entirely is through ABS Vendor. Create a free account at absvendor.com, enter your meter number once, and recharge your electricity in seconds — any DisCo, any time.