Upm Led Status Indicator (Blink Code) Information; Compressor Ohms - Bosch SM Split CS Series Installation, Operation And Maintenance Manual

SM Split CS Series Heat Pump
UPM LED Status Indicator (Blink Code)
Information
The LED status indicator is found on the UPM
board. See Fig. 6 on page #16.
Indication
Color Blinks
GREEN Solid
RED 1
RED 2
RED 3
RED 4
RED 5
RED 6
Table 15 UPM LED Status Indications

Compressor Ohms

Model Start Winding
SM024 1.64
SM036 1.52
SM048 1.86
SM060 1.63
Tolerance +/- 7%. All resistance values must be
measured with compressor at room temperature.
Table 16 Compressor Ohms
SM Split CS Series Heat Pump
Description
18–30 VAC power is present
High-pressure lockout
Low-pressure lockout
Freeze sensor lockout
Condensate overflow
Brownout
Evaporator Freeze condition
Run Winding
1.30
0.88
0.52
0.39
Subject to change without prior notice
Troubleshooting | 31
8733825873 (2020/05)