Philips-Respironics error codes

This is a listing of CPAP Error Codes and their description for Philips-Respironics 50-series and 60-series machines. We do have the Service & Repair manuals for these and other CPAP machines available. To access them, you will need to join the Apnea Board Forum, log in, and then go to our Private Files and Links area, below the forums. In that forum, there is a post that says "Links to Members-Only Files". If you open that post, you can click on our current link to the Members Only Files. Please keep in mind that we do not have additional Service/Repair Manuals other than those listed on our Members Only Files page.

Types of Error Codes

The four Error Types are described as follows:

Error Type	Description
STOP	The error information is recorded in NVRAM and the unit is placed into Safe State. The only functionality available to the user is serial communication, turning off the audible alarm via a key press and removing power.
REBOOT	The error information is recorded in NVRAM and the unit is rebooted. This error is promoted to a STOP level error by use of the Verbose Mode configuration flag.
CONTINUE	The error information is recorded in NVRAM and the unit continues to operate without noticeable alteration. This error is promoted to a STOP level error by use of the Verbose Mode configuration flag.
LOG_ONLY	Thee error information is recorded in NVRAM and the unit continues to operate without noticeable alteration. This error is not promoted to a STOP level error by use of the Verbose Mode configuration flag.

General Errors

Error Code	Description	Type
E-1	ERR_SOFTWARE_STOP	STOP
E-2	Not Used	N/A
E-3	ERR_INT_RAM	REBOOT
E-4	ERR_NULL_PTR	REBOOT
E-5	ERR_DATA	REBOOT
E-6	ERR_STATE_MACHINE	REBOOT
E-7	ERR_SOFTWARE	REBOOT
E-8	Not Used	N/A
E-9	Not Used	N/A

Watchdog and Timer Errors

Error Code	Description	Type
E-10	ERR_WDOG_TEST_RAM	REBOOT
E-11	ERR_WDOG_TEST	REBOOT
E-12	ERR_BACKGROUND_WDOG_NO_CARD	REBOOT
E-13	ERR_BACKGROUND_WDOG_SD_CARD	REBOOT
E-14	ERR_WDOG_LOWRES_TIMER	REBOOT
E-15	ERR_CYCLE_HANDLER_OVERRUN	REBOOT
E-16	ERR_RASP_RESTORE_TIMEOUT	CONTINUE
E-17	ERR_ONEMS_HANDLER_OVERRUN	REBOOT
E-18	Not Used	N/A
E-19	ERR_WDOG_TIMEOUT	REBOOT

Motor / Blower Errors

Error Code	Description	Type
E-20	ERR_MOTOR_SPINUP_FLUX_LOW	REBOOT
E-21	ERR_MOTOR_VBUS_HIGH	STOP
E-22	ERR_MOTOR_FLUX_MAGNITUDE	REBOOT
E-23	ERR_MOTOR_OVERSPEED	REBOOT
E-24	ERR_MOTOR_SPEED_REVERSE	REBOOT
E-25	ERR_MOTOR_THERMISTOR_OPEN	CONTINUE
E-26	ERR_MOTOR_THERMISTOR_SHORTED	CONTINUE
E-27	ERR_MOTOR_RL_NOCONVERGE	STOP
E-28	ERR_NEGATIVE_QUADRATURE_VOLTAGE	REBOOT
E-29	ERR_VBUS_GAIN_ZERO:	REBOOT
E-30	ERR_MOTOR_SPINUP_FLUX_HIGH	REBOOT
E-31 thru E-39	Not Used	N/A

NVRAM Low Level Errors

Error Code	Description	Type
E-40	ERR_NVRAM	REBOOT
E-41	ERR_STORAGE_UNIT_RAM	REBOOT
E-42	ERR_UNABLE_TO_OBTAIN_BUS	REBOOT
E-43	ERR_NVRAM_NO_CALLBACK_OCCURRED	REBOOT
E-44	ERR_NV_BUFFER_NULL	REBOOT
E-45	ERR_NV_CALLBACK_NULL	REBOOT
E-46	ERR_NV_ZERO_LENGTH	REBOOT
E-47	ERR_NVRAM_INVALID_BYTES_XFRRED	REBOOT
E-48	Not Used	N/A
E-49	Not Used	N/A

NVRAM Unit Related Errors

Error Code	Description	Type
E-50	ERR_DAILY_VALUES_CORRUPT	LOG_ONLY
E-51	ERR_CORRUPT_COMPLIANCE_LOG	CONTINUE
E-52	ERR_CORRUPT_COMPLIANCE_CB	CONTINUE
E-53	ERR_COMP_LOG_SEM_TIMEOUT	CONTINUE
E-54	ERR_COMPLOG_REQS_OVERFLOW	REBOOT
E-55	ERR_THERAPY_QUEUE_FULL	CONTINUE
E-56	ERR_COMPLOG_PACKET_STATUS	REBOOT
E-57	ERR_SESS_OBS_QUEUE_OVF	REBOOT
E-58	ERR_SESS_OBS_NO_CALLBACK	REBOOT
E-59	Not Used	N/A

General Hardware Errors

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