Bloomfield 1016BVM Průvodce řešením problémů stáhnout pdf (Strana 8)

WATER TEMPERATURE

PROBLEM 1 - WATER TEMPERATURE WILL NOT CONTROL

TEMPERATURE TOO LOW OR NO HEAT

Remove 2” silver hole plug from brewer body.

Water temperature setpoint is controlled by lower left dial

on control board. Be sure pointer on dial is set to desired

temperature.

WATER TEMP

(ºF)

OFF

185

190

195

200

205

40 50

SOLENOID TIMER

(WATER VOLUME)

(SECONDS)

BREW SIGNAL TIMER:

- BREW LIGHT

END OF BREW BEEPER

(MINUTES)

BLOOMFIELD 1016BVM TROUBLESHOOTING GUIDE

page6of8

Remove top panel to check voltage at heating element terminals. When HEAT

indicator is lit, full line voltage must be present across heating element terminals.

voltage is present at element terminals and unit is not heating, replace heating

element p/n 8716-1. Also, be sure to replace gaskets p/n 8043-30.

voltage is NOT present, remove front panel. Be sure hi-limit thermostat is not

tripped. Press red button until it clicks and stays latched in the “set” position.

If hi-limit has tripped, find and rectify cause of over-temperature condition.

voltage is NOT present, examine wiring and connectors. Be sure multi-wire

cable between control and power board is in good condition and properly

connected to both boards. If wiring is OK, replace power board p/n 83636.

unit heats and controls, but HEAT indicator never lights, examine ribbon cable

connector at control board. If this is OK, membrane keypad p/n 83633 may

need to be replaced (non-critical item).

neither HEAT indicator glows nor power relay clicks as the dial is advanced

from minimum to maximum, replace control board p/n 83635.

temperature is consistently high or low, remove temperature probe from tank.

Clean calcium and lime build-up. If probe cannot be cleaned, replace probe

p/n 83644. Be sure to replace seal washer p/n 83731 at the same time.

Observe HEAT indicator, and listen for a “click” from power relay while turning

water temp. dial clockwise.

IMPORTANT

Energizing the brewer without water in the tank will usually cause the

hi-limit to trip, and can permanently damage the heating elements.

CAUTION

The following procedure exposes live electric circuits.

Use due care when working around electricity.

NOTE: Temperature cannot be adjusted during a brew cycle.

Turn dial fully counterclockwise to disable tank heater.

Service Bulletin 107.002

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