M022

Balboa M022: program memory failure

M022 means program memory failure. At power-up the system has failed the program checksum test, which the guide calls a firmware problem that requires a service call. This wording is from Balboa guide 40985-G, 26 March 2014, for BP2500 and BP2600 with a TP800 or TP900 panel.

At Power-Up, the system has failed the Program Checksum Test. This indicates a problem with the firmware (operation program) and requires a service call.

Models this page covers: BP2500, BP2600, TP900, TP800

Do this first

  1. Power

    Leave it powered down

    The asterisk means the panel can reset some messages. This line still requires a service call. Do not open the pack and do not reload software yourself.

When to call a technician

Call a technician now if

  • The breaker or the RCD trips when the pump is plugged in.
  • You smell burning, see melted plastic, or the water is too hot to touch.
  • The code comes back after one reset.

Also call for these, from the manual

  • Call for service for M022. A failed program checksum is not a filter, a sensor plug, or a button sequence in this guide.

Questions

Will a power cycle fix the checksum?

The message already appears at power-up, and the guide says it requires a service call. It does not say that turning the spa off and on repairs the firmware.

Manuals we checked