Philips-Respironics error codes

This is a listing of CPAP Error Codes and descriptions for Philips-Respironics 50-series and 60-series System One REMstar and BiPAP machines.

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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	The 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

Error Code	Description	Type
E-60	ERR_UNSUPPORTED_HARDWARE	REBOOT
E-61	ERR_PLL_UNLOCKED	REBOOT
E-62	ERR_STUCK_RAMP_KEY	CONTINUE
E-63	ERR_STUCK_KNOB_KEY	CONTINUE
E-64	ERR_DSP_OVERTIME_PWM	REBOOT
E-65	ERR_STUCK_ENCODER_A	CONTINUE
E-66	ERR_STUCK_ENCODER_B	CONTINUE
E-67	Not Used	N/A
E-68	Not Used	N/A
E-69	Not Used	N/A

Pressure Sensor Errors

Error Code	Description	Type
E-70	ERR_PRESSURE_SENSOR_ABSENT	STOP
E-71	Not Used	N/A
E-72	ERR_PSENS_UNABLE_TO_OBTAIN_BUS	REBOOT
E-73	ERR_SENSOR_PRESS_OFFSET_STOP	STOP
E-74	Not Used	N/A
E-75	Not Used	N/A
E-76	Not Used	N/A
E-77	Not Used	N/A
E-78	Not Used	N/A
E-79	Not Used	N/A

Flow Sensor Errors

Error Code	Description	Type
E-80	ERR_UNABLE_TO_INIT_FLOW_SENSOR	REBOOT
E-81	ERR__FLOW_SENSOR_TABLE	CONTINUE
E-82	ERR_FLOW_SENSOR_OFFSET	CONTINUE
E-83	ERR_FSENS_UNABLE_TO_OBTAIN_BUS	REBOOT *
E-84	ERR_FLOW_SENSOR_ STOP	STOP
E-85	ERR_FLOW_SENSOR_OCCLUDED	CONTINUE
E-86	ERR_FLOW_SENSOR_ABSENT	CONTINUE
E-87	ERR_FLOW_SENSOR_BUS	CONTINUE
E-88	Not Used	N/A
E-89	Not Used	N/A

*On E-83, upon reboot, a second failure results in a STOP level error.

OTP and RTC Errors

Error Code	Description	Type
E-90	ERR_OTP_NOT_CONFIGURED	STOP
E-91	ERR_OTP_INCORRECTLY_CONFIGURED	STOP
E-92	Not Used	N/A
E-93	ERR_RTC_VALUE	CONTINUE
E-94	ERR_RTC_STOPPED	CONTINUE
E-95 thru E-99	Not Used	N/A

HUMIDIFIER Errors

Error Code	Description	Type
E-100	ERR_HUMID_NO_HEAT	CONTINUE
E-101	ERR_HUMID_TEMP_MAX	STOP
E-102	ERR_THERMISTOR_HIGH	CONTINUE
E-103	ERR_THERMISTOR_LOW	CONTINUE
E-104	ERR_HUMID_AMBIENT_OFF	CONTINUE
E-105	ERR_HUMID_AMBIENT_COMM	CONTINUE
E-106 thru E-109	Not Used	N/A

Stack and Exception Handler Errors

Error Code	Description	Type
E-110	ERR_STACK	REBOOT
E-111	ERR_EXCEPTION_STACK_OVERFLOW	REBOOT
E-112	ERR_EXCEPTION_STACK_RESERVE	LOG_ONLY
E-113	ERR_EXCEPTION_STACK_UNDERFLOW	REBOOT
E-114	ERR_FIQ_STACK_OVERFLOW	REBOOT
E-115	ERR_FIQ_STACK_RESERVE	LOG_ONLY
E-116	ERR_FIQ_STACK_UNDERFLOW	REBOOT
E-117	ERR_IRQ_STACK_OVERFLOW	REBOOT
E-118	ERR_IRQ_STACK_RESERVE	LOG_ONLY
E-119	ERR_IRQ_STACK_UNDERFLOW	REBOOT
E-120	ERR_SVC_STACK_OVERFLOW	REBOOT
E-121	ERR_SVC_STACK_RESERVE	LOG_ONLY
E-122	ERR_SVC_STACK_UNDERFLOW	REBOOT
E-123	ERR_DATA_ABORT_EXCEPTION	REBOOT
E-124	ERR_PREFETCH_EXCEPTION	REBOOT
E-125	ERR_SWI_ABORT_EXCEPTION	REBOOT
E-126	Not Used	REBOOT

See Also

Philips-Respironics DreamStation error codes

REMstar error codes (for older, pre-2007 REMstars)

REMstar smart card error codes

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