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Sanyo SAP-KMRV76EH Manual

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Since the indications cover various units, the corresponding parts listed below may not be present in some models.
(1) Self-diagnostics Lamps
Indication on indoor unit
....
OFF
Timer Operation
Code Diagnostics items Diagnostics contents
S01
Room temperature sensor failure
Indoor heat exchanger sensor failure
Humidity sensor failure
Compressor temperature sensor failure
Outdoor heat exchanger sensor failure
Outdoor air temperature sensor failure
Indoor/outdoor communications failure
(serial communications)
Outdoor unit external ROM (OTP data)
failure
Peak current cut-off
• HIC circuit failure
• Power Tr (transistor) circuit failure
PAM circuit failure
Active circuit failure
Outdoor system communications failure
OLR operation
Outdoor power supply open phase
Outdoor coil freezing
Compressor discharge overheat
prevention activated.
Indoor fan operating failure
No-refrigerant protection
DC compressor drive circuit failure
Outdoor fan operating failure
Freeze-prevention operation activated.
4-way valve switching failure
Indoor zero-cross failure
Outdoor electrical current detection
failure
S02
S03
S04
S05
S06
S07
E01
E02
E03
E04
E05
E06
E07
E08
E09
E10
E11
E12
E13
....
Blinking
....
ON (Illuminated)
Quiet
(3)(2) (1)
(1) Sensor open circuit or short circuit
(2) Contact failure at connector or open circuit at terminal crimping location
(short-circuit detection only for the humidity sensor)
(3) Indoor/outdoor PCboard failure
(1) Sensor open circuit or short circuit
(2) Contact failure at connector or open circuit at terminal crimping location
(3) Outdoor PCboard failure
Outdoor PCboard failure
(1) Mis-wiring (2) AC power failure (3) Blown fuse (4) Power Relay failure 
(5) Indoor or outdoor PCboard failure (6) Outdoor Fan Motor failure (7) Reactor failure
(8) High-Pressure Switch failure (9) Overload Relay failure (10) Magnetic Coil failure
* See detailed flowchart in this section.
(1) HIC or power Tr failure (2) Outdoor fan does not turn. (3) Instantaneous power outage
(4) Service valve not opened. (5) Outdoor fan blocked. (6) Continuous overload operation 
(7) Compressor failure (8) Outdoor PCboard failure
(1) External ROM data failure (2) Outdoor PCboard failure
(1) Instantaneous power outage (2) HIC or power transistor failure 
(3) Outdoor PCboard failure
(1) Outdoor PCboard failure (2) Outdoor power supply voltage failure
(1) Electric expansion valve failure (2) Capillaries choked (3) Shortage of refrigerant
(4) Continuous overload operation (5) Outdoor fan does not rotate (6) Outdoor
PCboard
failure
(1) Fan motor failure (2) Contact failure at connector (3) Indoor PCboard failure
(1) 4-way valve failure (heat pump model only)
(2) Outdoor PCboard failure
(1) Service valve not opened. (2) Shortage of refrigerant
(1) Open phase (2) Outdoor PCboard failure
(1) Fan motor failure (2) Contact failure at connector (3) Outdoor PCboard failure
(1) Mis-wiring (2) Blown fuse (3) Power Relay failure (4) Outdoor PCboard failure
(5) Compressor failure
* See detailed flowchart in this section.
(1) Indoor fan system failure (2) Shortage of refrigerant (3) Low-temperature operation
LED CLEAN lamp
TIMER lamp
OPERATION lamp
31
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