Diagnosing Masterpact X Error Messages

The following table shows the sequence of actions to take after an error message is received from the Micrologic X control unit. Further explanation of each action is given in the following paragraphs.

Stage	Description
1	Identify the problem detected.
2	Acknowledge the cause on the Micrologic X display screen.
3	Consult the list of error messages and perform the recommended actions.

Identify the Problem

An error message is displayed when the Micrologic X control unit detects an internal problem.

Example of error message:

Acknowledging the Error Message

Acknowledge the error message on the Micrologic X control unit display screen.

Step	Action
1	Consult the list of error messages in the following tables and perform the actions recommended.
2	Press OK to acknowledge the message and return to the Home menu.
3	Press the Test/Reset button for 3 seconds to reset the control unit.

Action after Receiving Error Message

Recommended action after receiving a Micrologic X control unit error message.

Code	Error Message	Description	Recommended Action
1 to 24 157 190	Service not performed - internal problem	The requested action was not performed due to an internal problem.	Repeat the action that caused the error message. If the message is displayed again, switch off the 24 Vdc of the Micrologic X control unit and switch it on again. If the problem persists, call Schneider Electric field service.
158	Command rejected, already in progress	The Micrologic X control unit has detected simultaneous orders (for example between IO and control unit).	Repeat the command.
169	Command rejected, already in asked state.	The Micrologic X control unit is already in the requested state.	Check that the Micrologic X control unit is in the required state. If it is not, repeat the command.
174	Session Key is invalid	The request action was not performed because the session key is not valid.	Repeat the action that caused the error message. If the message is displayed again, switch off the 24 Vdc of the Micrologic X control unit and switch it on again. If the problem persists, call Schneider Electric field service.
175	Out of session scope	The requested action was not performed because it is not within the session scope.	Repeat the action that caused the error message. If the message is displayed again, switch off the 24 Vdc of the Micrologic X control unit and switch it on again. If the problem persists, call Schneider Electric field service.
176	Session is already opened	The Micrologic X control unit has detected simultaneous settings sessions (for example, Ecoreach and control unit).	Press OK to clear the message and then repeat the command.
177	No session is open	Submit/apply operations have not been performed within five minutes.	Start a new session, re-enter the settings, then submit and apply them.
180	Bluetooth disabled! To enable go to Configuration menu.	Bluetooth communication has not been enabled for the Micrologic X control unit.	Enable Bluetooth communication from the Micrologic X control unit menu > Configuration > Communication > Bluetooth.

Contact a Schneider Electric field service representative for more information about who can carry out the recommended actions.