105
5.16
P9 Troubleshooting
Digital display output
Description
Water inlet and outlet temperature difference protection
All units stop running.
Error code is displayed on main PCB and user interface.
Possible causes
Temperature sensor not connected properly or has malfunctioned.
Water piping contains air.
Insufficient water flow.
Main PCB damaged.
Summary of Contents for SCV-1400EB
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Page 46: ...44 1 Electric Control Box Layout For SCV 750EB For SCV 1400EB...
Page 61: ...59 3 Wiring diagram 3 1 Single unit For SCV 750EB and SCV 1400EB...
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Page 78: ...76 5 5 E3 E4 E5 E7 Eb Ed EE EF EP EU Fb Fd Troubleshooting Digital display output...
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