Guardian 5240 - No Retransfer to Utility Power; Problem 7 - Blown F1 or F2 Fuse; Starts When Loss of Utility Occurs, Generator Shuts down When Utility Returns but There Is no Retransfer to Utility Power

“V-TYPE” PREPACKAGED
TRANSFER SWITCHES
SECTION 3.3
TROUBLESHOOTING FLOW CHARTS
PART 3
Page 65
TEST 29 - CHECK
VOLTAGE ATUTILITY
CLOSING COIL C1 AND
LIMIT SWITCH XA1
TEST 24 - CHECK
MANUAL TRANSFER
SWITCH OPERATION
TEST 26 - CHECK
#23 AND #194
WIRING
CONNECTIONS
TEST 23 - TEST
TRANSFER
RELAY
TEST 32 -
CONTINUITY TEST
OF WIRING (C1)
TEST 31 -
TEST LIMIT
SWITCH XA1
GOOD
GOOD
GOOD
GOOD
BAD
BAD
BAD
C1 COIL VOLTAGE
GOOD BUT NO
TRANSFER
C1 COIL VOLTAGE
BAD / LIMIT
SWITCH XA1
VOLTAGE BAD
REPAIR OR
REPLACE
REPLACE
REPLACE
LIMIT
SWITCH
REPLACE
UTILITY
COIL C1
REPAIR
WIRE #A
Problem 6 - In Automatic Mode, Generator Starts When Loss of Utility Occurs, Generator Shuts
Down When Utility Returns But There Is No Retransfer To Utility Power
C1 COIL VOLTAGE
BAD / LIMIT
SWITCH XA1
VOLTAGE GOOD
TEST 30 - CHECK
FUSE F1 & F2
TEST 34 - CHECK
N1 & N2 WIRING
TEST 35 - CHECK
TRANSFORMER TX
GOOD
GOOD GOOD
BAD
BAD
BAD
REPAIR OR REPLACE
REPLACE
FINISH
FINISH
Problem 7 - Blown F1 or F2 Fuse