SiENBE04-401A
Check
Service Diagnosis
143
5.1.7 Power Supply Waveforms Check
Check No.10
Measure the power supply waveform between pins 1 and 3 on the terminal board, and check
the waveform disturbance.
Check to see if the power supply waveform is a sine wave (Fig.1).
Check to see if there is waveform disturbance near the zero cross (sections circled in Fig.2)
5.1.8 Inverter Units Refrigerant System Check
Check No.11
[Fig.1]
[Fig.2]
Refriger
a
nt
s
y
s
tem check
Check for g
as
le
a
k
s
.
S
ee the
s
ection on in
su
fficient g
as
detection.
Cond
u
ct the check
a
fter oper
a
ting the
e
qu
ipment for
a
su
fficient length of time.
Correct the pro
b
lem.
Cond
u
ct v
a
c
uu
m drying.
Repl
a
ce the refriger
a
nt.
I
s
the di
s
ch
a
rge
thermi
s
ter di
s
connected from
the holder?
(R1445)
YE
S
YE
S
YE
S
I
s
a
ny moi
s
t
u
re
fo
u
nd in
s
ight gl
ass
.
NO
NO
Содержание FTKS20CVMB
Страница 19: ...List of Functions SiENBE04 401A 10 List of Functions...
Страница 20: ...SiENBE04 401A Specifications 11 Part 2 Specifications 1 Specifications 12 1 1 Cooling Only 12 1 2 Heat Pump 20...
Страница 45: ...Specifications SiENBE04 401A 36 Specifications...
Страница 81: ...Control Specification SiENBE04 401A 72 Function and Control...
Страница 111: ...Instruction SiENBE04 401A 102 System Configuration...
Страница 155: ...Check SiENBE04 401A 146 Service Diagnosis...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure...
Страница 226: ...SiENBE04 401A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219...
Страница 229: ...Others SiENBE04 401A 220 Others...
Страница 239: ...Wiring Diagrams SiENBE04 401A 230 Appendix...