Translate 2byte hex values to 14byte string

[admin]

You can create a table to map hexadecimal error code to text, then attach it to error code object. You should use 250-byte text data type for status output (32/1/3 in this example).

Code:

errors = {
  [0x10] = 'External protection device activated',
  [0x11] = 'Malfunction of indoor unit PCB',
  [0x13] = 'Drain Level Control System Abnormality',
  [0x14] = 'Malfunction of freezing protection',
  [0x15] = 'High pressure control in heating, freeze-up protection control in cooling',
}

value = event.getvalue()
errtext = errors[ value ]

if errtext then
  grp.update('32/1/3', errtext)
end