Mindray DC-8 EXP Service Manual

11-10 System Diagnosis and Support
11.3.5 PHV Alarm
11.3.6 Gel Warmer Abnormality
FS_BB_BOT0, FS_BB_BOT1, FS_BB_BOT2, FS_BB_BOT3,
FS_FB_TOP0, FS_FB_TOP1, FS_FB_BOT0, FS_FB_BOT1
“FS_FB” refers to big fan; “FS_BB”refers to the small fan.
Fan locations are shown as follows:
Top fan Bottom fan
Alarming tips
LOG record
Potential
reason
None
*** +100V Power supply voltage error, the voltage is
[LLL]V ,normal region is 95.000V to 105.000V
[LLL] refers to the voltage
+100V
over-voltage or
zero
*** -100V Power supply voltage error, the voltage is
[LLL]V ,normal region is -95.000V to -105.000V
[LLL] refers to the voltage
-100V
over-voltage or
zero
Alarm!
High-voltage
transmission is
abnormal, and
images can’t
display normally!
*** [XXX] supply voltage error, [XXX] is [LLL] V (upper limit is
80.000V
[XXX] refers to the high-voltage name, they are: PHV1P,
PHV1N, PHV2P, PHV2N
[LLL] refers to the current value.
PHV1+/PHV1-/
PHV2+ /PHV2-
over voltage
Alarm!
High-voltage
transmission is
abnormal, and
images can’t
display normally!
*** UPhvMonitor: phv hardware warning: FAIL_HV&PHV
Malfunction on
the front-end
power main
board
*** PHV protect,
PHV1P:[VVV]V,PHV1N:[LLL]V,PHV2P:[PPP]V,PHV2N:[AAA]V
[VVV], [LLL], [PPP], [AAA]V refer to different voltages.
PHV1+/PHV1-
/PHV2+/PHV2-
is zero
Abnormality
Potential Causes
Suggestion
Green indicator is off
Damage of internal component
or abnormality in microcontroller
Unplug and reconnect the power
cord to observe if the green light is

Mindray DC-8 EXP Specifications

General

Brand	Mindray
Model	DC-8 EXP
Category	Medical Equipment
Language	English