ACP Amana Oven Error Code B0 / B1: Touch Pad (AXP20/MXP20)
B0 / B1 on an older Amana Xpress AXP20 or MXP20 oven means the control points to the touch pad. The pad may not register touches, or may register ones you did not make. Switch the oven off at the plug, let it cool, wipe the pad, and stop using the oven if it presses by itself.
Medium: the oven cannot be controlled reliably, but it is safe once unplugged.
- Code
- B0 / B1
- Maker
- ACP Amana
- Equipment
- High-speed ovens
- Applies to
- AXP20 / MXP20 (hyphenated codes)
What does ACP Amana error code B0 / B1 mean?
On the older AXP20 and MXP20 ovens the touch pad is the surface you press to start and set programs. The control checks the pad through the display board, and when the readings stop making sense it reports B0 / B1. The pad may not register touches, or it may register touches you did not make, so you cannot start the oven reliably. Before the oven is unplugged, the second behavior deserves attention, because a pad that presses itself could start or change a program unattended. The maker's steps are to switch the oven off at the plug, let it cool, and wipe the touch pad with a soft cloth, keeping liquid away from the edges. Then plug it back in and try a program. If the pad ignores you or presses on its own, stop using the oven. Nobody should open the body, because the boards behind the pad are live. The causes in the manual are the pad surface and its connector, moisture or grease at the pad edge, the display board input from the pad, and heat damage.
Affected models and control systems
This applies to the older Amana Xpress AXP20 and MXP20 touch pad combination ovens, which use hyphenated codes, as described in the ACP Commercial Service and Training Manual. On the AXP22 and MXP22, B0 and B1 are listed separately.
Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.
What you may notice
- B0 or B1 on the display
- The pad ignores presses
- The pad presses by itself
- You cannot start a program
Possible causes
Listed in ACP Amana's documentation
- Touch pad surface or its connector damaged
- Moisture or grease at the pad edge
- Display board input from the pad failing
- Heat damage to the pad
Other likely causes — what usually sits behind error code B0 / B1 on this control. A technician confirms which one it is before any part is replaced.
- A pad membrane worn through by years of finger pressure and cleaner, so some keys read pressed all the time
- A pad ribbon that has cracked at its fold where it enters the connector
Safe checks before calling for service
- Switch the oven off at the plug, let it cool and wipe the touch pad with a soft cloth, keeping liquid away from the edges.
- Plug back in and try a program.
- If the pad presses on its own or ignores you, stop using the oven.
- Do not open the body; the boards behind the pad are live.
- Note which keys misbehave and whether B0 or B1 showed.
How a technician diagnoses error code B0 / B1
- Read the code and test each key on the pad.
- Inspect the pad surface and its connector for moisture, grease or wear.
- Check the display board's input from the pad.
- Look for heat damage behind the pad.
- Replace the pad or display board once the test isolates it.
- The pad connects to boards inside the oven that are live, so opening the body is not safe for an operator.
- A pad that presses itself can start the oven unattended, which makes it unsafe to use.
- A worn pad membrane cannot be cleaned back to normal and has to be replaced.
How error code B0 / B1 differs from similar codes
The AXP22 and MXP22 split these into separate B0 and B1 entries for the touch panel. On the AXP20/MXP20 they are combined for the touch pad.
Technical reference
- Document
- ACP Commercial Service and Training Manual
- Edition
- December 2011, 16400012
- Models / control
- AXP20 / MXP20 (hyphenated codes)
- Section
- Display Diagnostics - Error Codes: AXP20/MXP20 (hyphenated codes, M-0 to M-2) printed p. 58 (PDF p. 65); AXP22/MXP22 printed p. 74 (PDF p. 81)
- Checked
- October 2026
We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.
Related ACP Amana high-speed oven error codes
What is the difference between B0 and B1 here?
On this older oven the manual lists them together, and both point to the touch pad.
Is it safe to use the oven if the pad sometimes presses itself?
No. It could start a program without you. Leave the oven off at the plug.
Will wiping the pad help?
If moisture or grease was the cause, yes. If not, the pad or display board needs a technician.
Need help with ACP Amana error code B0 / B1?
A technician confirms the cause on site and gives you the price in writing before any work starts.