Mitsubishi Air Conditioner Error Code HOLD

HOLD means the operation panel lock is currently active on your Mitsubishi air conditioner. In this state, most control panel buttons are disabled and will not respond to input. Only the STOP and RESET functions remain active. This is a built-in feature, not a fault or error condition.

Yes, it is completely safe to run the unit while the panel lock is active. HOLD is not a fault code and does not indicate any mechanical, electrical, or refrigerant problem. The air conditioner will continue to operate normally under its current settings while locked. You can also shut the unit down at any time using the STOP function, which remains active even when locked.

There is no cost to resolve the HOLD condition in the vast majority of cases, since it only requires pressing the MODE button for 2 seconds to unlock the panel. No parts are needed and no service call is required. If the panel lock cannot be cleared through the standard button sequence and the unit is otherwise unresponsive, a technician visit could range from around 75 to 150 dollars for a diagnostic visit, though this scenario is uncommon.

To release the panel lock, press and hold the MODE button on the unit's control panel for approximately 2 seconds. The HOLD indicator should disappear and full panel operation will be restored. No tools or service technician are required to clear this condition.

A full power reset may or may not clear the HOLD state, as the control board can retain the lock setting in memory. The correct and reliable method to clear HOLD is pressing and holding the MODE button for 2 seconds, which directly toggles the panel lock off. If the lock reappears after a power cycle, simply repeat the MODE button sequence.