Related Manuals for Eurotherm 3216
Summary of Contents for Eurotherm 3216
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Page 1: Operating Instructions
Operating Instructions Temperature Indicator with Digital Communications Type 3216cc English MC23-GB – v1.00... - Page 2 ONTROLLER AYOUT ISPLAY PERATION USER LEVELS NDERSTANDING EVELS SETTING UP THE CONTROLLER USTOMER NITS CROLLING DIGITAL COMMUNICATIONS – RS232 IGITAL OMMUNICATIONS – RS485 IGITAL OMMUNICATIONS OMMS DDRESS NAVIGATION DIAGRAM 3216 CC INDICATOR CONTROLLER FAULT AULT IAGNOSTIC ABLE MC23-GB – v1.01...
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Page 3: Introduction To The Controller And Manual
1 Introduction to the Controller and Manual Description The model 3216 controller/indicator is made by Eurotherm, and is fitted by Carbolite Gero configured for immediate use as an indicator. It is configured for the input (thermocouple) type for which it was ordered. -
Page 4: Basic Operation
Quick Start Guide 2 Basic Operation Controller Layout (Home Display) Power Output Measured Indicator Temperature Alarm Indicator Remote Indicator (When configured) Scroll Key Page Key Scroll Key Up Key Down Key Keys The Page key is used to access level 2 when held down ... -
Page 5: User Levels
Quick Start Guide 3 User levels Understanding User Levels There are two user levels in the controller; Level 1(Operator) and Level 2 (Supervisor). Level 1 (Operator) is for the day to day operation of the controller. These parameters are not protected by a security code. Level 2 (Supervisor) provides access to additional parameters. -
Page 6: Setting Up The Controller
Basic Operation 4 Setting up the controller Before using the controller (or during its lifetime) certain parameters may have to be set, depending on specific requirements. To do this the controller must be set to supervisor level (Level 2) see section 3.1 Customer ID. -
Page 7: Digital Communications
Options 5 Digital Communications Digital Communications – RS232 If the RS232 option is supplied, then the furnace is fitted with one subminiature D-socket connected to the controller communications (comms) module. RS232 is suitable for direct connection to a personal computer (PC), using a “straight through” cable as follows (the linked pins at the computer end are recommended but may not be necessary). -
Page 8: Navigation Diagram
Basic Operation 6 Navigation Diagram 3216cc indicator LEVEL 1 ACCESS LEVEL 2 3 Sec Pass code = 9 GOTO TEXT ADDR UNITS 7 Controller Fault Fault Code Diagnostic Table Error Code Explanation Actions Replace the Furnace or Oven S.br Temperature sensor failure...
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Questions and answers
We have replaced a 3216 controller like for like. The old controller only got to ~420 C when it would say sensor broken. The new controller measures temperature, OP1 is indicated on the display however the furnace does not heat up. No alarms or messages. Set 1 KCHC0, Set 2 XXXXT
The Eurotherm 3216 controller may display OP1 without heating the furnace due to several possible reasons:
1. Faulty Output Relay/SSR – The controller may be signaling output 1 (OP1), but the connected relay or solid-state relay (SSR) may be defective or not switching the power to the heating element.
2. Wiring Issues – Incorrect or loose wiring connections between the controller, relay, and heating element could prevent power from reaching the heater.
3. Blown Fuse or Power Supply Issue – A fuse protecting the heating circuit may be blown, or there may be a power supply failure preventing the heater from receiving power.
4. Incorrect Output Configuration – The controller settings may not be correctly configured for the type of output module being used (e.g., relay, SSR, or analog output).
5. Heater Failure – The heating element itself could be damaged or broken, preventing heat generation even though the controller is signaling OP1.
6. Safety Interlocks or Alarms – A safety interlock or alarm condition (such as an over-temperature alarm) may be preventing the heater from operating despite OP1 being active.
Checking these possible causes systematically should help diagnose and resolve the issue.
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