Blast chiller Service Manual
35
Rev 07/04/2015
ALARM MESSAGE NOTES/CONSEQUENCES
EVAPORATOR PROBE (S2)
Evaporator probe failure. Call Service.
CONDENSER PROBE (S3) (Not
applicable in this version of Blast
Chiller)
Condenser probe failure. Call Service.
FOOD PROBE (PT1)
Insert probe core 1 failure. Call Service.
FOOD PROBE (PT2)
Insert probe core 2 failure. Call Service.
FOOD PROBE (PT3)
Insert probe core 3 failure. Call Service.
FOOD PROBE (PT4)
Insert probe core 4 failure. Call Service.
RELAY 1,2,…,8 BROKEN
The electronic board detected a failure on Relay
1,2,…,8. Call Service.
TRIAC BROKEN
The electronic board detected a failure on the PWM
output for evaporator fan variable speed. Call Service.
BLACK OUT
The system recorded a power interruption without
switching off the display.
NOTE: THERE ARE NO HIGH/LOW PRESSURE ALARMS IN THIS VERSION OF
TOUCH SCREEN CONTROLLERS. THE HIGH/PRESSURE SWITCH WILL CUT OUT
CONTACTOR COIL FOR SFETY OR PULL DOWN PURPOSE
NOTE: CORRECT COMMUNICATION BETWEEN DISPLAY AND POWER BOARD CAN
BE MONITORED BY SIGNALS Ext/Int ON THE LEFT BOTTOM SIDE OF THE
DISPLAY. BOTH SIGNALS ARE BLINKING “BLUE” IF COMMUNICATION IS OK. ONE
OR BOTH WILL BLINK “RED” IF SOME ERROR IS OCCURRING. CHECK THE
CONNECTION CABLE FOR CONTINUITY.
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