Operating displays MDP92A.. power supply module and MDE90A.. DC/DC-converter module

Displays during the boot procedure
Display	Description	State	Remark/action
b0	Device passes through several states when loading the firmware (boot) in order to become ready for operation.	Status: Not ready Output stage is inhibited. No communication possible	Wait until the boot procedure is complete. Device stays in this state: Device defective.
nF
nc
nH
rF
-b
rb
b3
br

Displays of different device states
Display	Description	State	Remark/action
00	DC voltage is too low on the A-side and/or B-side.	24 V standby mode Status: Not ready Output stage is inhibited. Communication is possible.	Check the supply system. Check the A-side voltage. Check the B-side voltage. Check the power supply monitoring and DC link monitoring settings.
_•	Energy-saving mode		Energy-saving mode active
C0 Flashing	Module bus is not ready.		Check the module bus connection.
C1 Flashing	Startup state		Startup state is activated.
C3 Flashing	Synchronization with the bus is not OK. Process data processing is not ready.		Check the bus connection. Check the synchronization setting at the device and controller. Check the process data settings at the device and controller.
C6 Flashing	Internal device supply incomplete		Supply voltage fault of SMPS 24 V supply not ready
C8 Flashing	External device not ready		"Not ready" signal detected at digital input.
Cd Flashing	Parameter download is running.		A parameter set is being downloaded.

Displays during initialization processes (parameters will be reset to default value)
Display	Description	State	Remark/action
d0 Flashing	Basic initialization	Status: Not ready Output stage is inhibited. Communication is possible.	Waiting for initialization to finish.
d1 Flashing	Initialization at delivery state
d2 Flashing	Parameter initialization in progress.

Displays in normal operation
Display	Description	State	Remark/action
51	Output stage inhibit	Output stage is inhibited.	The output stage is inhibited. Brake chopper can still work.
52	Inhibit brake chopper.	Brake chopper is inhibited. Output stage is inhibited.	Output stage and brake chopper are inhibited.
55	Voltage control	Voltage control is active.	The device controls the voltage on one of the two output stage sides.
57	Current control	Current control is active.	The device controls the current on one of the two output stage sides.
59	Current control	Current control is active.	The device controls the current on one of the two output stage sides.
61	State of charge control	Voltage control is active.	The device controls the voltage on one of the two output stage sides.
64	Disconnect the storage unit.	Output stage is inhibited. Brake chopper is inhibited.	Output stage and brake chopper are inhibited.