41
Trouble shooting -continued
Problem
Possible Cause
Remedy
Maintenance Mode message
Maintenance switch or
maintenance function is
on
1- Control unit zero/span
key was pressed.
2- Service module
zero/operate switch in
zero, span/operate switch
in span
3- Service module
test/operate switch in test
Return all to operate or
neutral positions and press
ACK key to clear alarms.
Control unit blank
Control unit fuse open
Replace and check for
shorts in the power supply
or individual boards.
Summary of Contents for 1304
Page 45: ...44 Section 8 DRAWINGS ...
Page 46: ...45 EMS 1001 Mounting under 6 STACK ...
Page 47: ...46 EMS 1002 Mounting over 6 stack ...
Page 48: ...47 EMS 1024 Air purge Weather cover mech Installation ...
Page 49: ...48 EMS 1078 PANEL cut out for 1304 control unit ...
Page 50: ...49 EMS 1079 1304 control unit dimensions ...
Page 51: ...50 EMS 1077 Terminal identification 1304 control unit ...
Page 52: ...51 EMS 1131 1304 with recorder system wiring ...
Page 54: ...53 EMS1101 Sht 1 of 3 Dual Blower system wiring ...
Page 55: ...54 EMS 1101 Sht 2 of 3 Single Blower system wiring ...
Page 56: ...55 EMS 1101 Sht 3 of 3 Without Blower system wiring ...