Respironics bilichek - HHU Error Code List

BiliChek Service Manual
30
1014988
Error: E10 - No Lamp Current
Measurement lamp burned out. Replace measurement lamp and perform several calibrations until HHU calibrates. If HHU
will not calibrate after numerous tries, HHU requires service.
Error: E99 - Fatal
Fatal software error. The HHU must be returned for service. Contact your distributer to request instructions to return to
Respironics for repair.
The following tables are for information only. If an E99 occurs, record the sub error and place a note with the HHU when
returning it for service.
Error: E99 - Fatal (Sub Error Tables)
Sub Errors Description
0001 System configuration parameters are not valid
0002 Timer could not be allocated
0004 Audio could not be initialized
0008 RTC could not be initialized
0016 Serial port could not be initialized
0032 LCD could not be initialized
0064 Switches could not be initialized
0128 Microspectrometer configuration data is not valid
0256 Internal reference voltage is out of range
0512 System RAM check failed
1024 Checksum error in boot firmware
2048 Checksum error in main firmware
4096 Firmware version in boot block not found
8912 Watchdog timer could not be initialized
16384 Watchdog timer timed-out
HHU Error Code list with Explanations (continued)