Fault code3203
T3 OVERLOAD indicates that the T3 program cycle is overloaded. The manual's first action is: “Contact ABB with information that preceded fault Cycle Power Replace RBCU”
- Model
- ABB ACH550
- Display shows
- T3 OVERLOAD (3203)
- Type
- Fault code
- Source
- Manual p. 71
What 3203 means
T3 OVERLOAD p. 71
Common causes
- T3 program cycle is overloaded p. 71
What to do
- Contact ABB with information that preceded fault Cycle Power Replace RBCU p. 71
Before you service the product, read the safety instructions in the manual p. 2.
If 3203 is still not resolved
- contact the factory or your local Authorized Service Center for repair or replacement. p. 2 “Never attempt to repair a malfunctioning ACH550; contact the factory or your local Authorized Service Center for repair or replacement.”
This page summarises what the manufacturer’s manual says about 3203; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with ABB. Found a mistake? Report an error.