Jandy ARM 7 Control assembly

The Jandy ARM 7 (R3001300) control assembly is a 7‑button panel used on AE‑Ti and EE‑Ti pool heat pumps (2002–2006). Common failures include a dead or dim LCD display, unresponsive buttons, and intermittent power to the board from the unit’s main supply. Check that the 24 V DC rail is present at the back of the assembly, inspect the solder joints on the microcontroller and display driver ICs for cracks or burn marks, and verify that the panel’s internal fuse (if present) has not blown. First‑check steps: confirm 24 V input voltage, test button continuity to the controller board, and review any error codes shown on the LCD or transmitted via the unit’s diagnostic port.[oss-gpt-20b]

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