Block Heat Troubleshooting - Glascraft M
Contents
1. Ee POLYSOURCE URETHANE FOAMS ELASTOMERS amp COATINGS PROCESS EQUIPMENT SALES SERVICE amp RENTALS BLOCK HEAT TROUBLESHOOTING GLASCRAFT M SERIES A If Block Heat Controller does not light up first check the following Supply power on Supply light on 200 240 VAC Over temp Over pressure reset Safety shut down re set Emergency stop control re set Confirm Block Heat breaker on 24 VAC Test controller power supply voltage monosge B If Block Heat Controller does light up but no heat and displays an error first check the following a Display ERR 2 check thermocouple b Display ERR 4 thermocouple unplugged c Display ERR 7 check controller program C If Block Heat Controller does light up and no error notes displayed but still no heat then check the following a Controller set point must be greater gt actual display b If controller load on light is not illuminated i reconfirm section a above ii Light gauge wire connection at SSR input tight amp clean iii test with an alternate controller c If Controller load on light is illuminated i Confirm Block Heat breaker on ii Heavy gauge wire connections at SSR solid state relay output tight and clean ii Test controller voltage iv Block SSR solid state relay load on illuminated note test for failed SSR via single jumper across output terminals amp Block Heater should energize v Voltage at each2. heater element s b 208 240 VAC vi If Voltage ok but no heat then continuity test each heater element separately s b 46 ohms 74 F for 1000 watt rods 1 19725 Telegraph Trail Langley BC VIM 3E6 Tel 604 888 3505 Fax 604 888 3503
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