var FIELDS = [
  'overcurrent',
  'mosfetSShorted',
  'softwareFault',
  'batteryHvd',
  'arrayHvd',
  'customSettingsEdit',
  'rtsShorted',
  'rtsNoLongerValid',
  'localTempSensorDamaged',
];

var flags = parseInt(value.replace(/\\x20/g, ''), 16),
  result = [];

for (var i = 0, f = 1 << 31 >>> 0, l = FIELDS.length; i < l; i++, f >>>= 1) {
    if (flags & f) {
        result.push(FIELDS[i]);
    }
}

return result.length ? result.join('\\n') : 'No faults';