Respironics DreamStation Service & Technical Reference Manual page 55

P 5-10
AGE
C E
ODE RROR
E-21 ERR_MOTOR_VBUS_HIG
H
E-22 ERR_MOTOR_FLUX_MA
GNITUDE
E-23 ERR_MOTOR_OVERSPE
ED
E-24 ERR_MOTOR_SPEED_R
EVERSE
E-27 ERR_MOTOR_RL_NOCO
NVERGE
E-28 ERR_NEGATIVE_QUADR
ATURE_VOLTAGE_VECT
OR
E-29 ERR_VBUS_GAIN_ZERO
E
RROR
N
AME
L
EVEL
STOP
REBOOT
REBOOT
REBOOT
STOP
REBOOT
REBOOT
F
AILED
C
OMPONENT
PCA Replace PCA and retest
1. Reseat motor connector,
1. Motor
clear error log and test.
connection
2. Blower Box
2. If
3. PCA
replace blower and retest.
3. If 2nd retest fails, replace
PCA.
PCA
1. If error was NOT Last
Stop Error, clear error log
and test.
2. If error was Last Stop
Error, replace PCA and test.
PCA
1. If error was NOT Last
Stop Error, clear error log
and test.
2. If error was Last Stop
Error, replace PCA and test.
1. Reseat motor connector,
1. Motor
clear error log and test.
connection
2. Blower Box
2. If
3. PCA
replace blower and retest.
3. If 2nd retest fails, replace
PCA.
1. Reseat motor connector,
1. Motor
clear error log and test.
connection
2. Blower Box
2. If
3. PCA
replace blower and retest.
3. If 2nd retest fails, replace
PCA.
PCA 1. If E9 was not recorded,
clear error log and test.
2. If E9 was recorded,
replace PCA and test.
1117539, V . 07
ER
A
CTIONS
error still occurs,
error still occurs,
error still occurs,