FT900 SERIES DISHWASHERS MODELS ML-110668-U covers all of the following models: FT900 FT900BD FT900S FT900SBD FT900D FT900DBD FT900SD FT900SDBD 701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com FORM 44095 (Oct. 2007)
FT900 SERIES DISHWASHERS MACHINE PREPARATION — Check before beginning operation. Open the machine doors and make sure all components are in their proper operating positions. Pump Intake Screens must be put on holders at each pump intake (Fig. 1). Fig. 1 End Caps must be correctly installed at ends of all Wash Arms (Fig.
TANK FILLING Assure proper water hardness. Recommended water hardness is 3 grains or less per gallon. Higher hardness may cause excessive formation of lime scale. Chlorides must not exceed 50 ppm. All water (and steam, if equipped) supply valves must be opened and the electric supply turned on before the machine will function.
DO NOT attempt to wash large items (pots, pans, trays, etc.) without first checking to make sure they will fit through the machine opening. Such items must not be washed in this dishwasher unless they will easily pass through it.
CLEANING The dishwasher MUST be thoroughly cleaned at the end of each working shift or after each meal. Push the Power key on the keypad to turn the machine OFF. Disconnect electrical power supply(ies) and follow lockout / tagout procedures before you begin cleaning.
When tanks are empty, remove pump intake screens (Fig. 22) and clean them in a sink. Remove, clean and replace the strainer(s) from drainback pans in the power rinse and / or wash section(s) where present (Fig. 23), refer to pages 11–14. Remove the dual rinse arms (FT900D or FT900SD only). Clean debris from metal dual rinse nozzles and arms using a straightened paper clip (Fig.
Top Covers individually while they are removed. After cleaning the Top Duct and the Top Covers, replace each Top Cover in its correct location. After cleaning the Top Duct, clean the dishwasher as discussed on pages 7 – 8. TOP DUCT...
DO NOT use steel wool to clean ware or dishwasher surface. DO NOT allow foreign objects to enter the unit, especially metallic contaminants. NOTE: Failure to follow use, care, and maintenance instructions may void your Hobart dishwasher warranty. R – L OPERATION SHOWN Fig.
CURTAINS AND DRAINBACK PANS, MODEL FT900 Curtains and drainback pans must be in their proper places, Fig. 31 . . . • Hang a short curtain on the unload side of each upper prewash, wash and power rinse arm. • Hang a long curtain on both sides of every section joint.
CURTAINS AND DRAINBACK PANS, MODEL FT900D Curtains and drainback pans must be in their proper places, Fig. 32 . . . • Hang a short curtain at the unload side of every upper prewash, wash, power rinse and dual rinse arm.
CURTAINS AND DRAINBACK PANS, MODEL FT900S Curtains and drainback pans must be in their proper places, Fig. 33 . . . • Hang a short curtain on the unload side of each upper prewash and wash arm. • Hang a long curtain on both sides of every section joint. •...
CURTAINS AND DRAINBACK PANS, MODEL FT900SD Curtains and drainback pans must be in their proper places, Fig. 34 . . . • Hang a short curtain at the unload side of every upper prewash, wash and dual rinse arm. • If equipped with a blower-dryer, hang another short curtain after the final rinse arm. •...
USER PROGRAMMING INSTRUCTIONS The dishwasher is equipped with electronic digital controls to allow greater precision for cleaning your ware, maintaining required tank temperatures and other advanced functions. Some of these functions are customized to suit the needs of your kitchen operation.
* The default Security Code to enter Manager Mode is it is recommended to change it from the default. If the code is ever lost for some reason, it can be reset by Hobart Service. NOTE: Resetting the code is not covered under your warranty, whether you are in the initial warranty period or in the extended warranty period.
The Parameters Menu — Table 1 lists the parameter name, a short description, a list of possible values the parameter can have, the factory default value based on the specific dishwasher model and the security level required to access that parameter.
The Communications Setup Menu — Table 2 lists the parameter name, a short description, a list of possible values the parameter can have, the factory default value based on the specific dishwasher model and the security level required to access that parameter.
Line strainers used in water or steam lines should be cleaned one week after machine installation and periodically thereafter. LUBRICATION A list of acceptable lubricants, as well as the lubricants themselves, are available from your local Hobart Service Office. Motors All motors have sealed bearings and require no lubrication maintenance.
Conveyor Drive Chain Inspect the drive chain (Fig. 36) regularly and lubricate as required with Hykogeen Concentrate A (supplied). Conveyor Shaft Flange Bearings Located at both load and unload ends of the machine and at the front and back, these bearings should be lubricated every four months.
To restart after the motor is allowed to cool, press the manual reset button on the motor junction box (Fig. 39). If motor(s) continue to trip, contact Hobart service. SYMPTOM POSSIBLE CAUSE NOTE: If symptom(s) persist after possible causes have been checked, contact Hobart Service.
4. Problems with conveyor motor drive. Put machine in Standby (by pressing the Power key) for at least 60 seconds to allow drive and motor to fully discharge and reset. Turn machine back on. If problem persists, contact Hobart Service. CLEAN SENSOR OPENINGS AT LOAD END OF MACHINE Fig.
1. Blower or motor not operating properly. (Electric Heat Blower- 2. Circuit breaker to electric blower-dryer heaters tripped. Dryer). 3. Overtemp protector tripped; red overtemp indicator light is lit. Contact Hobart Service. No Blower-Dryer Heat 1. Blower or motor not operating properly.
Close inspection doors. 4. If tanks fail to fill after another 20 minutes, contact Hobart Service. Reset Required Place machine in Standby by pressing the Power key. Wait at least 60 seconds before powering on the machine.