
Troubleshooting
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55
SM Series Heat Pump
6 720 220 406 (2015/02)
Revised 02-15
Smart Start Assist Flashing sequence
SMART START ASSIST LED STATUS INDICATION
Red Led
Relay
Contact*
Condition
Action
FULLY ON +
11/12
Min. recovery time between
starts and /or recovery time
between stop to start
Auto reset when minimun recovery
time elapses
2 FLASHES
11/14
Undervoltage (Ue<190VAC)
Auto reset with 5 mins recovery **
3 FLASHES
11/14
Overcurrent (>80A for >1
sec.)
Auto reset with 5 mins recovery
4 FLASHES
11/14
relay protection
Auto reset with 5 mins recovery***
5 FLASHES
11/14
incomplete ramp
Auto reset with 5 mins recovery
N/A
11/12
Supply phase loss
Physical check
N/A
11/12
Idle state
N/A
11/12
Ramping state
N/A
11/12
Bypass mode
Green Led
Relay
Contact*
Condition
Action
FLASHING
11/12
Power supply alarm
Replace Smart Start device
FULLY ON
11/12
Idle State
RSBS waiting for control signal to
start
+ APPLICABLE TO RSBS2332A2V.2C24HP. FOR MODELS,NO INDICATION ON THE RED LED IS PROVIDED
*APPLIES ONLY TO RSB23XXA2V22C24..MODELS
**MONITORED DURING IDLE AND BYPASS
***REFER TO NOTE 6 IN MODE OF OPERATION SECTION
****REFER TO VOLTAGE DIPS AND INTERRUPTIONS SECTION FOR MODE OF OPERATION
NOTE:
During recovery from an alarm condition, the red LED will flash at twice the normal flashing frequency
between successive flashing cycles as shown above to indicate that the Smart start Assist is in recovery mode
which recovery lasts for 5 minutes.