Samsung Electronics
150
Troubleshooting
4-4-6 Case study – E205 (Internal communication error of the outdoor unit C-box)
Outdoor unit
display
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing
Cassette (4/Mini4 Way)
Wall-mounted (NeoForte)
Operation Defrost Timer
Fan
Filter/
MPI
Operation Defrost Timer
Filter Operation Timer Turbo
24
℃
27
℃
×
×
◑
◑
×
×
◑
◑
×
×
×
◑
◑
×
※ ●
: ON
◑
: Flash ×: OFF
Judgment
Method
∙ Communication error between the C-Box PBA.
Cause of
problem
∙ Communication wire inside the C-Box is unconnected.
∙ Main PBA defective.
Possibility
1) No communication jumper connector on Inverter PBA.
2) No power supply to inverter PBA.
3) Poor connection of communication wiring and connector.
4) Wrong HP information in EEPROM.
Comm. jumper
Connection Inv1 and inv2
MAIN PBA
HUB PBA
INV PBA 1
INV PBA 2
Communication jumper
<PBA Connection order>
important
4-4 Case study for trouble shoots
(cont.)
Содержание AM080FXWANR
Страница 147: ...Samsung Electronics 144 Troubleshooting 4 4 2 Pump down operation cont 4 4 Case study for trouble shoots cont...
Страница 149: ...Samsung Electronics 146 Troubleshooting 4 4 3 Pump out operation cont 4 4 Case study for trouble shoots cont...
Страница 168: ...Samsung Electronics 165 5 PBA Diagram and Parts List 5 1 ASS Y PBA MAIN Push buttons Type...
Страница 170: ...PBA Diagram and Parts List Samsung Electronics 167 5 1 ASS Y PBA MAIN cont DIP S W Type...
Страница 172: ...PBA Diagram and Parts List Samsung Electronics 169 5 2 ASS Y PBA MAIN HUB AC...
Страница 174: ...PBA Diagram and Parts List Samsung Electronics 171 5 2 ASS Y PBA MAIN HUB cont DC...
Страница 178: ...PBA Diagram and Parts List Samsung Electronics 175 5 3 ASSY PBA INVERTER cont Model AM300KXWANR AM240KXWAF J R...
Страница 181: ...PBA Diagram and Parts List Samsung Electronics 178 5 4 ASS Y PBA EMI cont Model AM300KXWANR AM240KXWAF J R...