BGH Silent Air BSRBT-062CWN1-R, Instruction Manual

Page: 185 / 196

MCAC-RTSM-2012-12 R410a Tropical Rooftop Package Unit 50Hz
184
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3 E9
：
Indoor coil temp. sensor T2 default.
(Indoor temp. and Pipe Temp. Sensor Resistance Value Table, see Appendix 2 )
○
4 When E2,E5,E6 or EA displays, please check the wired nameplate, if the terminals of T2_1
、
T2_2
、
T3_2
、
T4 are connected as short circuit. If no, please connect all as short circuit, unless replace main
board.
○
5 Eb: Wired controller output error.(Only for KJR-23B or KJR-25B).
Avoid three conditions as following:
1) The wired controller output signal has Y, no G.
2) The wired controller output signal has W, no G.
3) The wired controller output signal has Y and W, no G.
○
6 P0
：
Compressor over current protection.(The over current protection value is 16A)
○
7 P3
：
Comprehensive protection for outdoor fan
Detect if the temp. sensor is normal.
Replace the main board.
Yes
Replace the temp. sensor,
detect it again.
No
Detect B phase current, if the current
value is over the setting value.
The main board display P0, normal.
Detect if the three-phase
protector display is normal.
The main board display P3,
normal.
Detect by multimeter if
three-phase protector COM
and NO exist current circuit.
Replace three-phase
protector, detect it again.
Yes
No
Replace the main board.
No
Yes
No
Yes
Replace the main board.