Manitowoc QF0400 - Page 7

Part Number 80-1230-9 10/10 7
Operation
Ice Making Sequence of Operation . . . . .105
QF0400/QC0700/QF0800 . . . . . . . . . .105
QF2200 . . . . . . . . . . . . . . . . . . . . . . . . 107
QF2300 . . . . . . . . . . . . . . . . . . . . . . . . 112
SN012/SN020/SF0400/SN0450/SF0600/
SN0650/SF0900/SN0950/SF1200/SN1250
Nugget/Flake Machines . . . . . . . . . . .116
Energized Parts . . . . . . . . . . . . . . . . . . 119
Troubleshooting
SafeGuard Feature . . . . . . . . . . . . . . . . . . 121
QF0400/QC0700/QF0800/QF2200/QF2300 123
No Water SafeGuard . . . . . . . . . . . . . . 123
Gear Motor Speed . . . . . . . . . . . . . . . . 125
Temperature Is Too high Or Too Low . 127
QF2200 Only - Temperature Is Too High or
Low . . . . . . . . . . . . . . . . . . . . . . . . . . .130
SN012/SN020/SF0400/SN0450/SF0600/
SN0650/SF0900/SN0950/SF1200/SN1250 132
No Water . . . . . . . . . . . . . . . . . . . . . . . 132
No Ice Production . . . . . . . . . . . . . . . . 133
Diagnosing an Ice Machine That Will Not Run
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
QF0400/QC0700/QF0800/QF2200/QF2300
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
RFC0985/RFC1285/RFC2085/RFC2385
Diagnosing A Condensing Unit That Will Not
Run . . . . . . . . . . . . . . . . . . . . . . . . . . .136
QF0400/QC0700/QF0800/QF2200/QF2300
Operational Problem Checklist . . . . . . 137
SN012/SN020/SF0400/SN0450/SF0600/
SN0650/SF0900/SN0950/SF1200/SN1250
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Refrigeration Diagnostics . . . . . . . . . . . .146
Before Beginning Service . . . . . . . . . . 146
Installation/Visual Inspection Checklist 146
Water System Checklist . . . . . . . . . . . 147
Ice Production/Quality Check . . . . . . .148
Analyzing Discharge Pressure . . . . . . 149
Analyzing Suction Pressure . . . . . . . . 151