Danfoss DSH090 Application Manual page 44

Scroll compressors, DSH090 to DSH600 | Electrical connections
Should one of these parameters be incorrect, the relay would lock out (contact M1-M2 open). The red LED on the
module will show the following blink code:
Figure 49: In case of phase reverse error Figure 50: In case of phase loss error:
120 ms 120 ms 120 ms 400 ms
500 ms 500 ms
1 s*
760 ms*
* Approximate
The lockout may be cancelled by resetting the power mains (disconnect L-N) for approximately 5 seconds.
For more detailed information see " Instructions for electronic module" AN160986418236.
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