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REMstar error codes

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REMstar PAP machines will present an error code when there is an error. If the machine only says "Service Required", it is usually a fatal error. This will happen with water damage that has caused a short circuit.

Below are the error codes for the REMstar xPAP machines.

E-0 - E-20

Error Code Description Probable Cause Corrective Action
E-0 NO_ERROR Reserved N/A
E-1 ERR_SOFTWARE Reserved Replace Main PCA
E-2 ERR_PROGRAM_CRC_FAILURE Defective FLASH chip Replace Main PCA
E-3 ERR_EXTERNAL_RAM_FAILURE Defective RAM chip Replace Main PCA
E-4 ERR_FIQ_STACK_OVERFLOW Defective RAM chip Replace Main PCA
E-5 ERR_FIQ_STACK_UNDERFLOW Defective RAM chip Replace Main PCA
E-6 ERR_NEST_STACK_OVERFLOW Defective RAM chip Replace Main PCA
E-7 ERR_NEST_STACK_UNDERFLOW Defective RAM chip Replace Main PCA
E-8 ERR_IRQ_STACK_OVERFLOW Defective RAM chip Replace Main PCA
E-9 ERR_IRQ_STACK_UNDERFLOW Defective RAM chip Replace Main PCA
E-10 ERR_TMR_STACK_OVERFLOW Defective RAM chip Replace Main PCA


Error Code Description Probable Cause Corrective Action
E-11 ERR_TMR_STACK_UNDERFLOW Defective RAM chip Replace Main PCA
E-12 ERR_SVC_STACK_OVERFLOW Defective RAM chip Replace Main PCA
E-13 ERR_SVC_STACK_UNDERFLOW Defective RAM chip Replace Main PCA
E-14 ERR_THREAD_STACK_OVERFLOW Defective RAM chip Replace Main PCA
E-15 ERR_ARM_UNDEFINED_INSTRUCTION_EXCEPTION Defective FLASH chip Replace Main PCA
E-16 ERR_ARM_SWI_EXCEPTION Defective FLASH chip Replace Main PCA
E-17 ERR_ARM_PREFETCH_EXCEPTION Defective FLASH chip Replace Main PCA
E-18 ERR_ARM_ABORT_EXCEPTION Defective RAM chip Replace Main PCA
E-19 ERR_ARM_RESERVED_EXCEPTION Defective FLASH chip
Defective microprocessor 		Replace Main PCA
E-20 ERR_AIC_DEFAULT_HANDLER Defective FLASH chip Replace Main PCA

E-21 - E-40

Error Code Description Probable Cause Corrective Action
E-21 ERR_AIC_SPURIOUS_HANDLER Defective FLASH or RAM chip Replace Main PCA
E-22 ERR_CAL_DATA_CRC_FAILURE Improper calibration
Defective FLASH chip 		Recalibrate
Replace Main PCA
E-23 ERR_INVALID_DRIFT_INDEX_AT_CAL Improper calibration
Occluded or restricted pressure tube
Defective flow sensor 		Recalibrate
Replace pressure tube
Replace Main PCA
E-24 ERR_UNRECOGNIZED_CAL_VERSION_BY_SW Improper calibration
Defective FLASH chip 		Recalibrate
Replace Main PCA
E-25 ERR_DRIFT_FLOW_TOO_HIGH Occluded or restricted pressure tube
Defective flow sensor 		Replace Flow Tube
Replace Main PCA
E-26 ERR_UI_DISPLAY_FAILURE Defective LCD driver chip Replace Main PCA
E-27 ERR_DRIFT_PRESSURE_TOO_HIGH Occluded or restricted pressure tube
Defective pressure sensors 		Replace pressure tubing
Replace Main PCA
E-28 ERR_CAL_DATA_BLANK Improper calibration
Defective FLASH chip 		Recalibrate
Replace Main PCA
E-29 ERR_DRIFT_SECONDARY_PRESSURE_TOO_HIGH Occluded or restricted pressure tube
Defective pressure sensors 		Replace pressure tubing
Replace Main PCA
E-30 ERR_INVALID_NVDATA_SCHEMA Normal for first time power up
Defective EEPROM 		Remove & restore power
Replace Main PCA
Error Code Description Probable Cause Corrective Action
E-31 ERR_INVALID_NVDATA_LOCK Defective EEPROM Replace Main PCA
E-32 ERR_INVALID_NVDATA_CHECKSUM Normal for first time power up
Defective EEPROM 		Remove & restore power
Replace Main PCA
E-33 ERR_NVDATA_STORAGE_ERROR Defective EEPROM Replace Main PCA
E-34 ERR_NVDATA_QUEUE_FULL Defective EEPROM Replace Main PCA
E-35 ERR_NVDATA_READBACK_FAILURE Defective EEPROM Replace Main PCA
E-36 ERR_NVDATA_RANGE_FAILURE Defective EEPROM Replace Main PCA
E-37 ERR_CORRUPT_RTC_VALUE Defective microprocessor Replace Main PCA
E-38 ERR_RTC_NOT_TICKING Defective microprocessor
Defective crystal 		Replace Main PCA
Replace Main PCA
E-39 ERR_UI_QUEUE_FULL Defective PCA Replace Main PCA
E-40 ERR_INVALID_BIST_TEST_CALL Invalid RASP command Reissue RASP command

E-41 - E-60

Error Code Description Probable Cause Corrective Action
E-41 ERR_BIST_THREAD_LOCKED Defective PCA Replace Main PCA
E-42 ERR_ALARM_VOLTAGE_FAILURE Defective power supply Replace Main PCA
E-43 ERR_12VREF_FAILURE Defective power supply Replace Main PCA
E-44 ERR_5VREF_FAILURE Defective power supply Replace Main PCA
E-45 ERR_VBULK_FAILURE Defective power supply Replace Main PCA
E-46 ERR_NEG15VREF_FAILURE Defective power supply Replace Main PCA
E-47 ERR_FL12_SENSOR_RAILED Occluded or restricted pressure tube
Defective flow sensor 		Replace flow tube
Replace Main PCA
E-48 ERR_PV2_SENSOR_RAILED Occluded or restricted pressure tube
Defective pressure sensor 		Replace pressure tube
Replace Main PCA
E-49 ERR_FLASH_FAILURE Defective FLASH chip Replace Main PCA
E-50 ERR_UNRECOGNIZED_BOARD_REV Needs new software
Defective PCA 		Replace Main PCA
Replace Main PCA
Error Code Description Probable Cause Corrective Action
E-51 ERR_MOTOR_FAILURE Defective motor drive chip Replace Main PCA
E-52 ERR_BLOWER_RPM_FAILED_TOLERANCE Stalled or locked blower Replace Blower
Replace Main PCA
E-53 ERR_BLOWER_OFF_CURRENT_HIGH Stalled or locked motor
Defective motor drive chip 		Replace Blower
Replace Main PCA
E-54 ERR_BLOWER_ON_CURRENT_HIGH Stalled or locked motor
Defective motor drive chip 		Replace Blower
Replace Main PCA
E-55 ERR_PRINTF_BUFFER_OVERFLOW Defective PCA Replace Main PCA
E-56 ERR_THERAPY_EVENT_QUEUE_FULL Defective PCA Replace Main PCA
E-57 ERR_KEYPAD_STUCK_KEY Verify all keys protrude through top
Defective Keypad
Defective pad on PCA 		Align keys with top
Replace Keypad
Replace Main PCA
E-58 ERR_UNUSED_58 Reserved Reserved
E-59 ERR_UNUSED_59 Reserved Reserved
E-60 ERR_UNUSED_59 Reserved Reserved

E-61 - E-80

Error Code Description Probable Cause Corrective Action
E-61 ERR_UNUSED_61 Reserved Reserved
E-62 ERR_UNUSED_62 Reserved Reserved
E-63 ERR_WATCHDOG_FAILURE Defective microprocessor Replace Main PCA
E-64 ERR_UNEXPECTED_WATCHDOG Defective FLASH chip
Defective RAM chip 		Replace Main PCA
Replace Main PCA
E-65 ERR_UNUSED_65 Reserved Reserved
E-66 ERR_RTOS_INIT_FAILURE Defective PCA Replace Main PCA
E-67 ERR_SERIAL_QUEUE_FULL Defective PCA Replace Main PCA
E-68 ERR_SNORE_SAMPLING_THREAD_LOCKED Defective PCA Replace Main PCA
E-69 ERR_MAIN_EXECUTION_THREAD_LOCKED Defective PCA Replace Main PCA
E-70 ERR_INTERNAL_RAM_FAILURE Defective microprocessor Replace Main PCA
Error Code Description Probable Cause Corrective Action
E-71 ERR_EVENT_LOG_QUEUE_FULL Defective PCA Replace Main PCA
E-72 ERR_TREND_DIV_BY_ZERO Defective RAM chip Replace Main PCA
E-73 ERR_ROLLOVER_CASE Defective RAM chip Replace Main PCA
E-74 ERR_WRONG_DISPLAY_TYPE Defective PCA Replace Main PCA
E-75 ERR_ALARM_CAPACITOR_FAILURE Defective PCA Replace Main PCA
E-76 ERR_OVER_PRESSURE Occluded or restricted tube
Defective PCA 		Replace Pressure tubing
Replace Main PCA
E-77 ERR_UNDER_PRESSURE Occluded or restricted tube
Defective PCA 		Replace Pressure tubing
Replace Main PCA
E-78 ERR_OVER_PRESSURE_REG Occluded or restricted tube
Defective PCA 		Replace Pressure tubing
Replace Main PCA
E-79 ERR_UNDER_PRESSURE_REG Occluded or restricted tube
Defective PCA 		Replace Pressure tubing
Replace Main PCA
E-80 ERR_ROTOR_LOCKED Locked Motor
Defective PCA 		Replace Motor
Replace PCA

E-80 - E-86

Error Code Description Probable Cause Corrective Action
E-81 ERR_MOTOR_EDGE_MISSED Defective Motor
Defective PCA 		Replace Motor
Replace PCA
E-82 ERR_MOTOR_EDGE_EXTRA Defective Motor
Defective PCA 		Replace Motor
Replace PCA
E-83 ERR_MOTOR_OVERSPEED Defective Motor
Defective PCA 		Replace Motor
Replace PCA
E-84 ERR_MOTOR_BRAKE Defective Motor
Defective PCA 		Replace Motor
Replace PCA
E-85 ERR_MOTOR_CURRENT Defective Motor
Defective PCA 		Replace Motor
Replace PCA
E-86 ERR_INVALID_ERROR_CODE Reserved Reserved

See Also

REMstar smart card error codes




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