# Firmware Lifecycle

# What's new?

# v5.1.7

  • Bump version to align with UCM.

BugFix

  • UCM stability improvements

# v5.1.6

Features

  • Production limit to 60%

# v5.1.5

BugFix

  • disabling start button on nonexistent LCD (which present on ELS500/1000) for EL2.0

# v5.1.4

Features

  • EL2.0 Refilling Error in case water is below Low Level Sensor 10 minutes after refilling process started
  • Always go into Water Level Sensor Error if water over Max Level Sensor

BugFix

none

# v5.1.3

Features

  • Reset ramp-up restart counter after successful ramp-up
  • Set 3 ramp-up tries, 1200 seconds each

BugFix

none


# v5.1.2

Features

  • Additional timer for second fan during start-up

BugFix

none


# v5.1.1

Features

  • Internal update โ€“ build process improvement, no changes in source code

BugFix

none


# v5.1.0

Features

none

BugFix

  • Fixing dryer startup pressure to 1 bar instead of 0.5 bar (align with similar check in Electrolyser)

# v5.0.9

Features

  • Improvements in SPI communication

BugFix

none


# v5.0.8

Features

none

BugFix

  • Fix flash and dig outputs during under-voltage behaviour

# Functionality Deprecation Statements

None