2+5 (component-test post-indication)
SETUP ERROR during component test — same as normal code 2+5
This code typically points to
- Same as normal code 2+5: PL4/model selection error or improper switch/setup state
Next checks to confirm
- Correct setup/model issue per normal 2+5 diagnostics
- To repeat component test, turn SW1-6 OFF and then back ON
Escalation
Escalate to board/model-plug verification if setup looks correct but indication remains.
Reset behavior
To repeat component test, turn SW1-6 OFF and then back ON. After component test completed, put SW1-6 in OFF position and reconnect R thermostat lead.
Urgent
Fix now